Finding the Fourth Proportional to 311,026.80, 466,540.20 and 204,121.20
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Solution
The fourth proportional to 311,026.80, 466,540.20 and 204,121.20 is: 306,181.80
Step by Step Solution
- Step 1: Write the proportion equation
311,026.80 : 466,540.20 = 204,121.20 : x - Step 2: Convert to fraction form
311,026.80/466,540.20 = 204,121.20/x - Step 3: Cross multiply
311,026.80x = 466,540.20 × 204,121.20 - Step 4: Simplify right side
311,026.80x = 95,230,745,472.24 - Step 5: Solve for x
x = 95,230,745,472.24/311,026.80 - Step 6: Final answer
x = 306,181.80
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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.