Finding the Fourth Proportional to 156,613.15, 234,755.70 and 61,806.70
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Solution
The fourth proportional to 156,613.15, 234,755.70 and 61,806.70 is: 92,645.32
Step by Step Solution
- Step 1: Write the proportion equation
156,613.15 : 234,755.70 = 61,806.70 : x - Step 2: Convert to fraction form
156,613.15/234,755.70 = 61,806.70/x - Step 3: Cross multiply
156,613.15x = 234,755.70 × 61,806.70 - Step 4: Simplify right side
156,613.15x = 14,509,475,123.19 - Step 5: Solve for x
x = 14,509,475,123.19/156,613.15 - Step 6: Final answer
x = 92,645.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.