Finding the Fourth Proportional to 159,632.97, 239,605.28 and 131,836.20
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Solution
The fourth proportional to 159,632.97, 239,605.28 and 131,836.20 is: 197,882.99
Step by Step Solution
- Step 1: Write the proportion equation
159,632.97 : 239,605.28 = 131,836.20 : x - Step 2: Convert to fraction form
159,632.97/239,605.28 = 131,836.20/x - Step 3: Cross multiply
159,632.97x = 239,605.28 × 131,836.20 - Step 4: Simplify right side
159,632.97x = 31,588,648,955.96 - Step 5: Solve for x
x = 31,588,648,955.96/159,632.97 - Step 6: Final answer
x = 197,882.99
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1.5x scale
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.