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Finding the Fourth Proportional to 239,436.75, 359,155.11 and 227,463.95

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Solution

The fourth proportional to 239,436.75, 359,155.11 and 227,463.95 is: 341,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,436.75 : 359,155.11 = 227,463.95 : x
  2. Step 2: Convert to fraction form
    239,436.75/359,155.11 = 227,463.95/x
  3. Step 3: Cross multiply
    239,436.75x = 359,155.11 × 227,463.95
  4. Step 4: Simplify right side
    239,436.75x = 81,694,839,040.50
  5. Step 5: Solve for x
    x = 81,694,839,040.50/239,436.75
  6. Step 6: Final answer
    x = 341,195.91

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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.