Finding the Fourth Proportional to 461,612.10, 691,166.97 and 239,529.54
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Solution
The fourth proportional to 461,612.10, 691,166.97 and 239,529.54 is: 358,645.08
Step by Step Solution
- Step 1: Write the proportion equation
461,612.10 : 691,166.97 = 239,529.54 : x - Step 2: Convert to fraction form
461,612.10/691,166.97 = 239,529.54/x - Step 3: Cross multiply
461,612.10x = 691,166.97 × 239,529.54 - Step 4: Simplify right side
461,612.10x = 165,554,906,387.29 - Step 5: Solve for x
x = 165,554,906,387.29/461,612.10 - Step 6: Final answer
x = 358,645.08
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1.5x scale
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.