Finding the Fourth Proportional to 378,175.92, 521,882.88 and 206,093.94
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Solution
The fourth proportional to 378,175.92, 521,882.88 and 206,093.94 is: 284,409.70
Step by Step Solution
- Step 1: Write the proportion equation
378,175.92 : 521,882.88 = 206,093.94 : x - Step 2: Convert to fraction form
378,175.92/521,882.88 = 206,093.94/x - Step 3: Cross multiply
378,175.92x = 521,882.88 × 206,093.94 - Step 4: Simplify right side
378,175.92x = 107,556,898,957.75 - Step 5: Solve for x
x = 107,556,898,957.75/378,175.92 - Step 6: Final answer
x = 284,409.70
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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.