Finding the Fourth Proportional to 207,825.26, 311,243.04 and 132,712.75
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Solution
The fourth proportional to 207,825.26, 311,243.04 and 132,712.75 is: 198,753.12
Step by Step Solution
- Step 1: Write the proportion equation
207,825.26 : 311,243.04 = 132,712.75 : x - Step 2: Convert to fraction form
207,825.26/311,243.04 = 132,712.75/x - Step 3: Cross multiply
207,825.26x = 311,243.04 × 132,712.75 - Step 4: Simplify right side
207,825.26x = 41,305,918,200.54 - Step 5: Solve for x
x = 41,305,918,200.54/207,825.26 - Step 6: Final answer
x = 198,753.12
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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.