Finding the Fourth Proportional to 132,217.75, 198,326.63 and 33,721.75
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Solution
The fourth proportional to 132,217.75, 198,326.63 and 33,721.75 is: 50,582.63
Step by Step Solution
- Step 1: Write the proportion equation
132,217.75 : 198,326.63 = 33,721.75 : x - Step 2: Convert to fraction form
132,217.75/198,326.63 = 33,721.75/x - Step 3: Cross multiply
132,217.75x = 198,326.63 × 33,721.75 - Step 4: Simplify right side
132,217.75x = 6,687,921,035.20 - Step 5: Solve for x
x = 6,687,921,035.20/132,217.75 - Step 6: Final answer
x = 50,582.63
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1.5x scale
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.