Finding the Fourth Proportional to 332,691.52, 499,039.44 and 133,028.68
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Solution
The fourth proportional to 332,691.52, 499,039.44 and 133,028.68 is: 199,543.88
Step by Step Solution
- Step 1: Write the proportion equation
332,691.52 : 499,039.44 = 133,028.68 : x - Step 2: Convert to fraction form
332,691.52/499,039.44 = 133,028.68/x - Step 3: Cross multiply
332,691.52x = 499,039.44 × 133,028.68 - Step 4: Simplify right side
332,691.52x = 66,386,557,971.14 - Step 5: Solve for x
x = 66,386,557,971.14/332,691.52 - Step 6: Final answer
x = 199,543.88
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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.