Home / 254,634.28-381,991.04-77,099.02

Finding the Fourth Proportional to 254,634.28, 381,991.04 and 77,099.02

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Solution

The fourth proportional to 254,634.28, 381,991.04 and 77,099.02 is: 115,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,634.28 : 381,991.04 = 77,099.02 : x
  2. Step 2: Convert to fraction form
    254,634.28/381,991.04 = 77,099.02/x
  3. Step 3: Cross multiply
    254,634.28x = 381,991.04 × 77,099.02
  4. Step 4: Simplify right side
    254,634.28x = 29,451,134,832.78
  5. Step 5: Solve for x
    x = 29,451,134,832.78/254,634.28
  6. Step 6: Final answer
    x = 115,660.53

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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.