Finding the Fourth Proportional to 132,318.13, 198,447.27 and 61,201.75
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Solution
The fourth proportional to 132,318.13, 198,447.27 and 61,201.75 is: 91,788.78
Step by Step Solution
- Step 1: Write the proportion equation
132,318.13 : 198,447.27 = 61,201.75 : x - Step 2: Convert to fraction form
132,318.13/198,447.27 = 61,201.75/x - Step 3: Cross multiply
132,318.13x = 198,447.27 × 61,201.75 - Step 4: Simplify right side
132,318.13x = 12,145,320,206.72 - Step 5: Solve for x
x = 12,145,320,206.72/132,318.13 - Step 6: Final answer
x = 91,788.78
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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.