Home / 231,550.11-347,186.76-89,277.38

Finding the Fourth Proportional to 231,550.11, 347,186.76 and 89,277.38

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Solution

The fourth proportional to 231,550.11, 347,186.76 and 89,277.38 is: 133,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,550.11 : 347,186.76 = 89,277.38 : x
  2. Step 2: Convert to fraction form
    231,550.11/347,186.76 = 89,277.38/x
  3. Step 3: Cross multiply
    231,550.11x = 347,186.76 × 89,277.38
  4. Step 4: Simplify right side
    231,550.11x = 30,995,923,534.72
  5. Step 5: Solve for x
    x = 30,995,923,534.72/231,550.11
  6. Step 6: Final answer
    x = 133,862.70

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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.