Finding the Fourth Proportional to 131,905.26, 197,882.19 and 43,163.73
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Solution
The fourth proportional to 131,905.26, 197,882.19 and 43,163.73 is: 64,753.55
Step by Step Solution
- Step 1: Write the proportion equation
131,905.26 : 197,882.19 = 43,163.73 : x - Step 2: Convert to fraction form
131,905.26/197,882.19 = 43,163.73/x - Step 3: Cross multiply
131,905.26x = 197,882.19 × 43,163.73 - Step 4: Simplify right side
131,905.26x = 8,541,333,420.97 - Step 5: Solve for x
x = 8,541,333,420.97/131,905.26 - Step 6: Final answer
x = 64,753.55
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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.