Finding the Fourth Proportional to 527,102.22, 727,400.09 and 285,384.75
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Solution
The fourth proportional to 527,102.22, 727,400.09 and 285,384.75 is: 393,830.43
Step by Step Solution
- Step 1: Write the proportion equation
527,102.22 : 727,400.09 = 285,384.75 : x - Step 2: Convert to fraction form
527,102.22/727,400.09 = 285,384.75/x - Step 3: Cross multiply
527,102.22x = 727,400.09 × 285,384.75 - Step 4: Simplify right side
527,102.22x = 207,588,891,407.70 - Step 5: Solve for x
x = 207,588,891,407.70/527,102.22 - Step 6: Final answer
x = 393,830.43
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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.