Finding the Fourth Proportional to 488,006.87, 673,442.87 and 273,146.87
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Solution
The fourth proportional to 488,006.87, 673,442.87 and 273,146.87 is: 376,938.99
Step by Step Solution
- Step 1: Write the proportion equation
488,006.87 : 673,442.87 = 273,146.87 : x - Step 2: Convert to fraction form
488,006.87/673,442.87 = 273,146.87/x - Step 3: Cross multiply
488,006.87x = 673,442.87 × 273,146.87 - Step 4: Simplify right side
488,006.87x = 183,948,812,382.19 - Step 5: Solve for x
x = 183,948,812,382.19/488,006.87 - Step 6: Final answer
x = 376,938.99
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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.