Finding the Fourth Proportional to 327,658.68, 491,664.60 and 138,250.32
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Solution
The fourth proportional to 327,658.68, 491,664.60 and 138,250.32 is: 207,449.99
Step by Step Solution
- Step 1: Write the proportion equation
327,658.68 : 491,664.60 = 138,250.32 : x - Step 2: Convert to fraction form
327,658.68/491,664.60 = 138,250.32/x - Step 3: Cross multiply
327,658.68x = 491,664.60 × 138,250.32 - Step 4: Simplify right side
327,658.68x = 67,972,788,282.67 - Step 5: Solve for x
x = 67,972,788,282.67/327,658.68 - Step 6: Final answer
x = 207,449.99
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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.