Home / 254,456.40-381,684.60-88,261.20

Finding the Fourth Proportional to 254,456.40, 381,684.60 and 88,261.20

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Solution

The fourth proportional to 254,456.40, 381,684.60 and 88,261.20 is: 132,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,456.40 : 381,684.60 = 88,261.20 : x
  2. Step 2: Convert to fraction form
    254,456.40/381,684.60 = 88,261.20/x
  3. Step 3: Cross multiply
    254,456.40x = 381,684.60 × 88,261.20
  4. Step 4: Simplify right side
    254,456.40x = 33,687,940,817.52
  5. Step 5: Solve for x
    x = 33,687,940,817.52/254,456.40
  6. Step 6: Final answer
    x = 132,391.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.