Home / 238,962.24-329,630.40-149,382.72

Finding the Fourth Proportional to 238,962.24, 329,630.40 and 149,382.72

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Solution

The fourth proportional to 238,962.24, 329,630.40 and 149,382.72 is: 206,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,962.24 : 329,630.40 = 149,382.72 : x
  2. Step 2: Convert to fraction form
    238,962.24/329,630.40 = 149,382.72/x
  3. Step 3: Cross multiply
    238,962.24x = 329,630.40 × 149,382.72
  4. Step 4: Simplify right side
    238,962.24x = 49,241,085,746.69
  5. Step 5: Solve for x
    x = 49,241,085,746.69/238,962.24
  6. Step 6: Final answer
    x = 206,062.20

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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.