Finding the Fourth Proportional to 132,129.20, 198,193.06 and 32,289.92
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Solution
The fourth proportional to 132,129.20, 198,193.06 and 32,289.92 is: 48,434.70
Step by Step Solution
- Step 1: Write the proportion equation
132,129.20 : 198,193.06 = 32,289.92 : x - Step 2: Convert to fraction form
132,129.20/198,193.06 = 32,289.92/x - Step 3: Cross multiply
132,129.20x = 198,193.06 × 32,289.92 - Step 4: Simplify right side
132,129.20x = 6,399,638,051.96 - Step 5: Solve for x
x = 6,399,638,051.96/132,129.20 - Step 6: Final answer
x = 48,434.70
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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.