Finding the Fourth Proportional to 321,163.87, 481,753.66 and 107,934.92
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Solution
The fourth proportional to 321,163.87, 481,753.66 and 107,934.92 is: 161,905.02
Step by Step Solution
- Step 1: Write the proportion equation
321,163.87 : 481,753.66 = 107,934.92 : x - Step 2: Convert to fraction form
321,163.87/481,753.66 = 107,934.92/x - Step 3: Cross multiply
321,163.87x = 481,753.66 × 107,934.92 - Step 4: Simplify right side
321,163.87x = 51,998,042,751.81 - Step 5: Solve for x
x = 51,998,042,751.81/321,163.87 - Step 6: Final answer
x = 161,905.02
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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.