Finding the Fourth Proportional to 485,073.99, 727,059.22 and 295,115.66
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Solution
The fourth proportional to 485,073.99, 727,059.22 and 295,115.66 is: 442,337.80
Step by Step Solution
- Step 1: Write the proportion equation
485,073.99 : 727,059.22 = 295,115.66 : x - Step 2: Convert to fraction form
485,073.99/727,059.22 = 295,115.66/x - Step 3: Cross multiply
485,073.99x = 727,059.22 × 295,115.66 - Step 4: Simplify right side
485,073.99x = 214,566,561,569.39 - Step 5: Solve for x
x = 214,566,561,569.39/485,073.99 - Step 6: Final answer
x = 442,337.80
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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.