Finding the Fourth Proportional to 378,286.92, 565,757.28 and 336,460.68
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Solution
The fourth proportional to 378,286.92, 565,757.28 and 336,460.68 is: 503,202.91
Step by Step Solution
- Step 1: Write the proportion equation
378,286.92 : 565,757.28 = 336,460.68 : x - Step 2: Convert to fraction form
378,286.92/565,757.28 = 336,460.68/x - Step 3: Cross multiply
378,286.92x = 565,757.28 × 336,460.68 - Step 4: Simplify right side
378,286.92x = 190,355,079,143.75 - Step 5: Solve for x
x = 190,355,079,143.75/378,286.92 - Step 6: Final answer
x = 503,202.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.