Home / 207,891.38-311,834.34-50,118.57

Finding the Fourth Proportional to 207,891.38, 311,834.34 and 50,118.57

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Solution

The fourth proportional to 207,891.38, 311,834.34 and 50,118.57 is: 75,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,891.38 : 311,834.34 = 50,118.57 : x
  2. Step 2: Convert to fraction form
    207,891.38/311,834.34 = 50,118.57/x
  3. Step 3: Cross multiply
    207,891.38x = 311,834.34 × 50,118.57
  4. Step 4: Simplify right side
    207,891.38x = 15,628,691,197.69
  5. Step 5: Solve for x
    x = 15,628,691,197.69/207,891.38
  6. Step 6: Final answer
    x = 75,177.20

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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.