In a ratio the first part a in our example is called Antecedent and second part b in our example is called Consequent. D or a. Four quantities are said to be in proportion if the ratio of the first and the second quantities is equal to the ratio of the third and the fourth quantities.
Ratio and Proportion formulas.
On the other hand a proportion is two ratios which have been set equal to each other. The Ratio of two numbers 5 to 6 is 56. A proportion is read as x is to y as z is to w. NCERT Books for Class 6 Maths Chapter 12 Ratio and Proportion can be of extreme use for students to understand the concepts in a simple wayClass 6th Maths NCERT Books PDF Provided will help you during your preparation for both school.