Finding the Fourth Proportional to 132,272.08, 198,358.60 and 53,343.28
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Solution
The fourth proportional to 132,272.08, 198,358.60 and 53,343.28 is: 79,994.95
Step by Step Solution
- Step 1: Write the proportion equation
132,272.08 : 198,358.60 = 53,343.28 : x - Step 2: Convert to fraction form
132,272.08/198,358.60 = 53,343.28/x - Step 3: Cross multiply
132,272.08x = 198,358.60 × 53,343.28 - Step 4: Simplify right side
132,272.08x = 10,581,098,340.21 - Step 5: Solve for x
x = 10,581,098,340.21/132,272.08 - Step 6: Final answer
x = 79,994.95
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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.