Home / 268,469.11-370,489.85-147,611.17

Finding the Fourth Proportional to 268,469.11, 370,489.85 and 147,611.17

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Solution

The fourth proportional to 268,469.11, 370,489.85 and 147,611.17 is: 203,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,469.11 : 370,489.85 = 147,611.17 : x
  2. Step 2: Convert to fraction form
    268,469.11/370,489.85 = 147,611.17/x
  3. Step 3: Cross multiply
    268,469.11x = 370,489.85 × 147,611.17
  4. Step 4: Simplify right side
    268,469.11x = 54,688,440,231.62
  5. Step 5: Solve for x
    x = 54,688,440,231.62/268,469.11
  6. Step 6: Final answer
    x = 203,704.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.