Finding the Fourth Proportional to 170,872.44, 256,068.02 and 80,819.08
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Solution
The fourth proportional to 170,872.44, 256,068.02 and 80,819.08 is: 121,114.80
Step by Step Solution
- Step 1: Write the proportion equation
170,872.44 : 256,068.02 = 80,819.08 : x - Step 2: Convert to fraction form
170,872.44/256,068.02 = 80,819.08/x - Step 3: Cross multiply
170,872.44x = 256,068.02 × 80,819.08 - Step 4: Simplify right side
170,872.44x = 20,695,181,793.82 - Step 5: Solve for x
x = 20,695,181,793.82/170,872.44 - Step 6: Final answer
x = 121,114.80
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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.