Home / 238,346.03-328,919.89-129,452.49

Finding the Fourth Proportional to 238,346.03, 328,919.89 and 129,452.49

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Solution

The fourth proportional to 238,346.03, 328,919.89 and 129,452.49 is: 178,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,346.03 : 328,919.89 = 129,452.49 : x
  2. Step 2: Convert to fraction form
    238,346.03/328,919.89 = 129,452.49/x
  3. Step 3: Cross multiply
    238,346.03x = 328,919.89 × 129,452.49
  4. Step 4: Simplify right side
    238,346.03x = 42,579,498,447.39
  5. Step 5: Solve for x
    x = 42,579,498,447.39/238,346.03
  6. Step 6: Final answer
    x = 178,645.73

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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.