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Finding the Fourth Proportional to 254,372.25, 381,565.67 and 67,383.75

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Solution

The fourth proportional to 254,372.25, 381,565.67 and 67,383.75 is: 101,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,372.25 : 381,565.67 = 67,383.75 : x
  2. Step 2: Convert to fraction form
    254,372.25/381,565.67 = 67,383.75/x
  3. Step 3: Cross multiply
    254,372.25x = 381,565.67 × 67,383.75
  4. Step 4: Simplify right side
    254,372.25x = 25,711,325,378.94
  5. Step 5: Solve for x
    x = 25,711,325,378.94/254,372.25
  6. Step 6: Final answer
    x = 101,077.56

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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.