Finding the Fourth Proportional to 159,882.21, 239,775.24 and 131,732.49
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Solution
The fourth proportional to 159,882.21, 239,775.24 and 131,732.49 is: 197,559.12
Step by Step Solution
- Step 1: Write the proportion equation
159,882.21 : 239,775.24 = 131,732.49 : x - Step 2: Convert to fraction form
159,882.21/239,775.24 = 131,732.49/x - Step 3: Cross multiply
159,882.21x = 239,775.24 × 131,732.49 - Step 4: Simplify right side
159,882.21x = 31,586,189,405.55 - Step 5: Solve for x
x = 31,586,189,405.55/159,882.21 - Step 6: Final answer
x = 197,559.12
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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.