Home / 240,219.38-331,287.92-199,318.70

Finding the Fourth Proportional to 240,219.38, 331,287.92 and 199,318.70

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Solution

The fourth proportional to 240,219.38, 331,287.92 and 199,318.70 is: 274,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,219.38 : 331,287.92 = 199,318.70 : x
  2. Step 2: Convert to fraction form
    240,219.38/331,287.92 = 199,318.70/x
  3. Step 3: Cross multiply
    240,219.38x = 331,287.92 × 199,318.70
  4. Step 4: Simplify right side
    240,219.38x = 66,031,877,540.10
  5. Step 5: Solve for x
    x = 66,031,877,540.10/240,219.38
  6. Step 6: Final answer
    x = 274,881.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.