Home / 238,915.02-329,565.60-149,335.50

Finding the Fourth Proportional to 238,915.02, 329,565.60 and 149,335.50

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Solution

The fourth proportional to 238,915.02, 329,565.60 and 149,335.50 is: 205,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,915.02 : 329,565.60 = 149,335.50 : x
  2. Step 2: Convert to fraction form
    238,915.02/329,565.60 = 149,335.50/x
  3. Step 3: Cross multiply
    238,915.02x = 329,565.60 × 149,335.50
  4. Step 4: Simplify right side
    238,915.02x = 49,215,843,658.80
  5. Step 5: Solve for x
    x = 49,215,843,658.80/238,915.02
  6. Step 6: Final answer
    x = 205,997.28

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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.