Finding the Fourth Proportional to 486,001.87, 670,682.99 and 271,141.97
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Solution
The fourth proportional to 486,001.87, 670,682.99 and 271,141.97 is: 374,176.15
Step by Step Solution
- Step 1: Write the proportion equation
486,001.87 : 670,682.99 = 271,141.97 : x - Step 2: Convert to fraction form
486,001.87/670,682.99 = 271,141.97/x - Step 3: Cross multiply
486,001.87x = 670,682.99 × 271,141.97 - Step 4: Simplify right side
486,001.87x = 181,850,309,508.65 - Step 5: Solve for x
x = 181,850,309,508.65/486,001.87 - Step 6: Final answer
x = 374,176.15
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1.5x scale
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.