Finding the Fourth Proportional to 236,777.26, 326,748.50 and 129,344.53
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Solution
The fourth proportional to 236,777.26, 326,748.50 and 129,344.53 is: 178,493.20
Step by Step Solution
- Step 1: Write the proportion equation
236,777.26 : 326,748.50 = 129,344.53 : x - Step 2: Convert to fraction form
236,777.26/326,748.50 = 129,344.53/x - Step 3: Cross multiply
236,777.26x = 326,748.50 × 129,344.53 - Step 4: Simplify right side
236,777.26x = 42,263,131,160.71 - Step 5: Solve for x
x = 42,263,131,160.71/236,777.26 - Step 6: Final answer
x = 178,493.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.