Finding the Fourth Proportional to 498,382.59, 687,767.97 and 272,028.09
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Solution
The fourth proportional to 498,382.59, 687,767.97 and 272,028.09 is: 375,398.76
Step by Step Solution
- Step 1: Write the proportion equation
498,382.59 : 687,767.97 = 272,028.09 : x - Step 2: Convert to fraction form
498,382.59/687,767.97 = 272,028.09/x - Step 3: Cross multiply
498,382.59x = 687,767.97 × 272,028.09 - Step 4: Simplify right side
498,382.59x = 187,092,207,242.28 - Step 5: Solve for x
x = 187,092,207,242.28/498,382.59 - Step 6: Final answer
x = 375,398.76
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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.