Finding the Fourth Proportional to 132,334.99, 198,390.86 and 57,398.69
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Solution
The fourth proportional to 132,334.99, 198,390.86 and 57,398.69 is: 86,049.62
Step by Step Solution
- Step 1: Write the proportion equation
132,334.99 : 198,390.86 = 57,398.69 : x - Step 2: Convert to fraction form
132,334.99/198,390.86 = 57,398.69/x - Step 3: Cross multiply
132,334.99x = 198,390.86 × 57,398.69 - Step 4: Simplify right side
132,334.99x = 11,387,375,471.97 - Step 5: Solve for x
x = 11,387,375,471.97/132,334.99 - Step 6: Final answer
x = 86,049.62
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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.