Home / 254,633.28-381,989.54-77,098.02

Finding the Fourth Proportional to 254,633.28, 381,989.54 and 77,098.02

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Solution

The fourth proportional to 254,633.28, 381,989.54 and 77,098.02 is: 115,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,633.28 : 381,989.54 = 77,098.02 : x
  2. Step 2: Convert to fraction form
    254,633.28/381,989.54 = 77,098.02/x
  3. Step 3: Cross multiply
    254,633.28x = 381,989.54 × 77,098.02
  4. Step 4: Simplify right side
    254,633.28x = 29,450,637,194.71
  5. Step 5: Solve for x
    x = 29,450,637,194.71/254,633.28
  6. Step 6: Final answer
    x = 115,659.03

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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.