Home / 239,870.38-331,026.29-132,447.22

Finding the Fourth Proportional to 239,870.38, 331,026.29 and 132,447.22

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Solution

The fourth proportional to 239,870.38, 331,026.29 and 132,447.22 is: 182,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,870.38 : 331,026.29 = 132,447.22 : x
  2. Step 2: Convert to fraction form
    239,870.38/331,026.29 = 132,447.22/x
  3. Step 3: Cross multiply
    239,870.38x = 331,026.29 × 132,447.22
  4. Step 4: Simplify right side
    239,870.38x = 43,843,511,857.41
  5. Step 5: Solve for x
    x = 43,843,511,857.41/239,870.38
  6. Step 6: Final answer
    x = 182,780.02

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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.