Finding the Fourth Proportional to 147,734.20, 221,471.70 and 88,593.40
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Solution
The fourth proportional to 147,734.20, 221,471.70 and 88,593.40 is: 132,812.38
Step by Step Solution
- Step 1: Write the proportion equation
147,734.20 : 221,471.70 = 88,593.40 : x - Step 2: Convert to fraction form
147,734.20/221,471.70 = 88,593.40/x - Step 3: Cross multiply
147,734.20x = 221,471.70 × 88,593.40 - Step 4: Simplify right side
147,734.20x = 19,620,930,906.78 - Step 5: Solve for x
x = 19,620,930,906.78/147,734.20 - Step 6: Final answer
x = 132,812.38
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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.