Home / 239,398.22-330,277.02-137,386.82

Finding the Fourth Proportional to 239,398.22, 330,277.02 and 137,386.82

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Solution

The fourth proportional to 239,398.22, 330,277.02 and 137,386.82 is: 189,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,398.22 : 330,277.02 = 137,386.82 : x
  2. Step 2: Convert to fraction form
    239,398.22/330,277.02 = 137,386.82/x
  3. Step 3: Cross multiply
    239,398.22x = 330,277.02 × 137,386.82
  4. Step 4: Simplify right side
    239,398.22x = 45,375,709,496.88
  5. Step 5: Solve for x
    x = 45,375,709,496.88/239,398.22
  6. Step 6: Final answer
    x = 189,540.71

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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.