Home / 254,422.58-381,727.42-104,622.80

Finding the Fourth Proportional to 254,422.58, 381,727.42 and 104,622.80

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Solution

The fourth proportional to 254,422.58, 381,727.42 and 104,622.80 is: 156,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,422.58 : 381,727.42 = 104,622.80 : x
  2. Step 2: Convert to fraction form
    254,422.58/381,727.42 = 104,622.80/x
  3. Step 3: Cross multiply
    254,422.58x = 381,727.42 × 104,622.80
  4. Step 4: Simplify right side
    254,422.58x = 39,937,391,517.18
  5. Step 5: Solve for x
    x = 39,937,391,517.18/254,422.58
  6. Step 6: Final answer
    x = 156,972.67

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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.