Finding the Fourth Proportional to 378,193.64, 567,357.92 and 125,489.28
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Solution
The fourth proportional to 378,193.64, 567,357.92 and 125,489.28 is: 188,256.30
Step by Step Solution
- Step 1: Write the proportion equation
378,193.64 : 567,357.92 = 125,489.28 : x - Step 2: Convert to fraction form
378,193.64/567,357.92 = 125,489.28/x - Step 3: Cross multiply
378,193.64x = 567,357.92 × 125,489.28 - Step 4: Simplify right side
378,193.64x = 71,197,336,883.10 - Step 5: Solve for x
x = 71,197,336,883.10/378,193.64 - Step 6: Final answer
x = 188,256.30
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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.