Finding the Fourth Proportional to 288,471.26, 432,803.01 and 181,731.98
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Solution
The fourth proportional to 288,471.26, 432,803.01 and 181,731.98 is: 272,658.52
Step by Step Solution
- Step 1: Write the proportion equation
288,471.26 : 432,803.01 = 181,731.98 : x - Step 2: Convert to fraction form
288,471.26/432,803.01 = 181,731.98/x - Step 3: Cross multiply
288,471.26x = 432,803.01 × 181,731.98 - Step 4: Simplify right side
288,471.26x = 78,654,145,793.24 - Step 5: Solve for x
x = 78,654,145,793.24/288,471.26 - Step 6: Final answer
x = 272,658.52
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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.