Home / 239,896.58-331,067.13-149,306.18

Finding the Fourth Proportional to 239,896.58, 331,067.13 and 149,306.18

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Solution

The fourth proportional to 239,896.58, 331,067.13 and 149,306.18 is: 206,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,896.58 : 331,067.13 = 149,306.18 : x
  2. Step 2: Convert to fraction form
    239,896.58/331,067.13 = 149,306.18/x
  3. Step 3: Cross multiply
    239,896.58x = 331,067.13 × 149,306.18
  4. Step 4: Simplify right side
    239,896.58x = 49,430,368,503.86
  5. Step 5: Solve for x
    x = 49,430,368,503.86/239,896.58
  6. Step 6: Final answer
    x = 206,048.66

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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.