Finding the Fourth Proportional to 321,832.80, 482,905.99 and 132,350.10
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Solution
The fourth proportional to 321,832.80, 482,905.99 and 132,350.10 is: 198,589.63
Step by Step Solution
- Step 1: Write the proportion equation
321,832.80 : 482,905.99 = 132,350.10 : x - Step 2: Convert to fraction form
321,832.80/482,905.99 = 132,350.10/x - Step 3: Cross multiply
321,832.80x = 482,905.99 × 132,350.10 - Step 4: Simplify right side
321,832.80x = 63,912,656,067.10 - Step 5: Solve for x
x = 63,912,656,067.10/321,832.80 - Step 6: Final answer
x = 198,589.63
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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.