Home / 238,622.40-329,301.04-129,726.96

Finding the Fourth Proportional to 238,622.40, 329,301.04 and 129,726.96

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Solution

The fourth proportional to 238,622.40, 329,301.04 and 129,726.96 is: 179,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,622.40 : 329,301.04 = 129,726.96 : x
  2. Step 2: Convert to fraction form
    238,622.40/329,301.04 = 129,726.96/x
  3. Step 3: Cross multiply
    238,622.40x = 329,301.04 × 129,726.96
  4. Step 4: Simplify right side
    238,622.40x = 42,719,222,844.04
  5. Step 5: Solve for x
    x = 42,719,222,844.04/238,622.40
  6. Step 6: Final answer
    x = 179,024.36

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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.