Home / 238,640.64-329,304.54-140,508.36

Finding the Fourth Proportional to 238,640.64, 329,304.54 and 140,508.36

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Solution

The fourth proportional to 238,640.64, 329,304.54 and 140,508.36 is: 193,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,640.64 : 329,304.54 = 140,508.36 : x
  2. Step 2: Convert to fraction form
    238,640.64/329,304.54 = 140,508.36/x
  3. Step 3: Cross multiply
    238,640.64x = 329,304.54 × 140,508.36
  4. Step 4: Simplify right side
    238,640.64x = 46,270,040,855.95
  5. Step 5: Solve for x
    x = 46,270,040,855.95/238,640.64
  6. Step 6: Final answer
    x = 193,890.03

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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.