Finding the Fourth Proportional to 378,760.93, 522,502.84 and 247,861.09
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Solution
The fourth proportional to 378,760.93, 522,502.84 and 247,861.09 is: 341,925.77
Step by Step Solution
- Step 1: Write the proportion equation
378,760.93 : 522,502.84 = 247,861.09 : x - Step 2: Convert to fraction form
378,760.93/522,502.84 = 247,861.09/x - Step 3: Cross multiply
378,760.93x = 522,502.84 × 247,861.09 - Step 4: Simplify right side
378,760.93x = 129,508,123,450.50 - Step 5: Solve for x
x = 129,508,123,450.50/378,760.93 - Step 6: Final answer
x = 341,925.77
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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.