Finding the Fourth Proportional to 132,121.02, 198,178.92 and 32,278.26
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Solution
The fourth proportional to 132,121.02, 198,178.92 and 32,278.26 is: 48,416.75
Step by Step Solution
- Step 1: Write the proportion equation
132,121.02 : 198,178.92 = 32,278.26 : x - Step 2: Convert to fraction form
132,121.02/198,178.92 = 32,278.26/x - Step 3: Cross multiply
132,121.02x = 198,178.92 × 32,278.26 - Step 4: Simplify right side
132,121.02x = 6,396,870,706.28 - Step 5: Solve for x
x = 6,396,870,706.28/132,121.02 - Step 6: Final answer
x = 48,416.75
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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.