Finding the Fourth Proportional to 508,095.26, 762,143.18 and 129,044.42
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Solution
The fourth proportional to 508,095.26, 762,143.18 and 129,044.42 is: 193,566.70
Step by Step Solution
- Step 1: Write the proportion equation
508,095.26 : 762,143.18 = 129,044.42 : x - Step 2: Convert to fraction form
508,095.26/762,143.18 = 129,044.42/x - Step 3: Cross multiply
508,095.26x = 762,143.18 × 129,044.42 - Step 4: Simplify right side
508,095.26x = 98,350,324,620.06 - Step 5: Solve for x
x = 98,350,324,620.06/508,095.26 - Step 6: Final answer
x = 193,566.70
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1.5x scale
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.