Finding the Fourth Proportional to 487,233.65, 730,850.11 and 132,299.75
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Solution
The fourth proportional to 487,233.65, 730,850.11 and 132,299.75 is: 198,449.53
Step by Step Solution
- Step 1: Write the proportion equation
487,233.65 : 730,850.11 = 132,299.75 : x - Step 2: Convert to fraction form
487,233.65/730,850.11 = 132,299.75/x - Step 3: Cross multiply
487,233.65x = 730,850.11 × 132,299.75 - Step 4: Simplify right side
487,233.65x = 96,691,286,840.47 - Step 5: Solve for x
x = 96,691,286,840.47/487,233.65 - Step 6: Final answer
x = 198,449.53
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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.