Finding the Fourth Proportional to 613,115.92, 919,663.17 and 275,917.96
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Solution
The fourth proportional to 613,115.92, 919,663.17 and 275,917.96 is: 413,872.12
Step by Step Solution
- Step 1: Write the proportion equation
613,115.92 : 919,663.17 = 275,917.96 : x - Step 2: Convert to fraction form
613,115.92/919,663.17 = 275,917.96/x - Step 3: Cross multiply
613,115.92x = 919,663.17 × 275,917.96 - Step 4: Simplify right side
613,115.92x = 253,751,585,753.53 - Step 5: Solve for x
x = 253,751,585,753.53/613,115.92 - Step 6: Final answer
x = 413,872.12
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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.