Finding the Fourth Proportional to 378,767.26, 568,204.89 and 125,964.46
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Solution
The fourth proportional to 378,767.26, 568,204.89 and 125,964.46 is: 188,964.65
Step by Step Solution
- Step 1: Write the proportion equation
378,767.26 : 568,204.89 = 125,964.46 : x - Step 2: Convert to fraction form
378,767.26/568,204.89 = 125,964.46/x - Step 3: Cross multiply
378,767.26x = 568,204.89 × 125,964.46 - Step 4: Simplify right side
378,767.26x = 71,573,622,138.21 - Step 5: Solve for x
x = 71,573,622,138.21/378,767.26 - Step 6: Final answer
x = 188,964.65
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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.