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Finding the Fourth Proportional to 254,778.64, 382,222.92 and 77,299.92

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Solution

The fourth proportional to 254,778.64, 382,222.92 and 77,299.92 is: 115,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,778.64 : 382,222.92 = 77,299.92 : x
  2. Step 2: Convert to fraction form
    254,778.64/382,222.92 = 77,299.92/x
  3. Step 3: Cross multiply
    254,778.64x = 382,222.92 × 77,299.92
  4. Step 4: Simplify right side
    254,778.64x = 29,545,801,138.17
  5. Step 5: Solve for x
    x = 29,545,801,138.17/254,778.64
  6. Step 6: Final answer
    x = 115,966.55

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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.