Finding the Fourth Proportional to 378,585.12, 522,374.76 and 227,691.84
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Solution
The fourth proportional to 378,585.12, 522,374.76 and 227,691.84 is: 314,171.01
Step by Step Solution
- Step 1: Write the proportion equation
378,585.12 : 522,374.76 = 227,691.84 : x - Step 2: Convert to fraction form
378,585.12/522,374.76 = 227,691.84/x - Step 3: Cross multiply
378,585.12x = 522,374.76 × 227,691.84 - Step 4: Simplify right side
378,585.12x = 118,940,470,273.96 - Step 5: Solve for x
x = 118,940,470,273.96/378,585.12 - Step 6: Final answer
x = 314,171.01
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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.