Finding the Fourth Proportional to 504,446.92, 696,141.62 and 278,100.68
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Solution
The fourth proportional to 504,446.92, 696,141.62 and 278,100.68 is: 383,781.62
Step by Step Solution
- Step 1: Write the proportion equation
504,446.92 : 696,141.62 = 278,100.68 : x - Step 2: Convert to fraction form
504,446.92/696,141.62 = 278,100.68/x - Step 3: Cross multiply
504,446.92x = 696,141.62 × 278,100.68 - Step 4: Simplify right side
504,446.92x = 193,597,457,898.30 - Step 5: Solve for x
x = 193,597,457,898.30/504,446.92 - Step 6: Final answer
x = 383,781.62
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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.