Finding the Fourth Proportional to 391,488.24, 587,232.36 and 371,542.80
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Solution
The fourth proportional to 391,488.24, 587,232.36 and 371,542.80 is: 557,314.20
Step by Step Solution
- Step 1: Write the proportion equation
391,488.24 : 587,232.36 = 371,542.80 : x - Step 2: Convert to fraction form
391,488.24/587,232.36 = 371,542.80/x - Step 3: Cross multiply
391,488.24x = 587,232.36 × 371,542.80 - Step 4: Simplify right side
391,488.24x = 218,181,955,285.01 - Step 5: Solve for x
x = 218,181,955,285.01/391,488.24 - Step 6: Final answer
x = 557,314.20
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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.