Finding the Fourth Proportional to 132,441.24, 198,355.68 and 79,734.54
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Solution
The fourth proportional to 132,441.24, 198,355.68 and 79,734.54 is: 119,417.48
Step by Step Solution
- Step 1: Write the proportion equation
132,441.24 : 198,355.68 = 79,734.54 : x - Step 2: Convert to fraction form
132,441.24/198,355.68 = 79,734.54/x - Step 3: Cross multiply
132,441.24x = 198,355.68 × 79,734.54 - Step 4: Simplify right side
132,441.24x = 15,815,798,901.19 - Step 5: Solve for x
x = 15,815,798,901.19/132,441.24 - Step 6: Final answer
x = 119,417.48
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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.