Finding the Fourth Proportional to 147,734.20, 221,542.98 and 54,188.92
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Solution
The fourth proportional to 147,734.20, 221,542.98 and 54,188.92 is: 81,261.99
Step by Step Solution
- Step 1: Write the proportion equation
147,734.20 : 221,542.98 = 54,188.92 : x - Step 2: Convert to fraction form
147,734.20/221,542.98 = 54,188.92/x - Step 3: Cross multiply
147,734.20x = 221,542.98 × 54,188.92 - Step 4: Simplify right side
147,734.20x = 12,005,174,819.78 - Step 5: Solve for x
x = 12,005,174,819.78/147,734.20 - Step 6: Final answer
x = 81,261.99
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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.