Finding the Fourth Proportional to 147,755.87, 221,664.95 and 47,908.28
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Solution
The fourth proportional to 147,755.87, 221,664.95 and 47,908.28 is: 71,872.52
Step by Step Solution
- Step 1: Write the proportion equation
147,755.87 : 221,664.95 = 47,908.28 : x - Step 2: Convert to fraction form
147,755.87/221,664.95 = 47,908.28/x - Step 3: Cross multiply
147,755.87x = 221,664.95 × 47,908.28 - Step 4: Simplify right side
147,755.87x = 10,619,586,251.24 - Step 5: Solve for x
x = 10,619,586,251.24/147,755.87 - Step 6: Final answer
x = 71,872.52
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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.