Home / 268,118.46-370,007.82-147,270.78

Finding the Fourth Proportional to 268,118.46, 370,007.82 and 147,270.78

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Solution

The fourth proportional to 268,118.46, 370,007.82 and 147,270.78 is: 203,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,118.46 : 370,007.82 = 147,270.78 : x
  2. Step 2: Convert to fraction form
    268,118.46/370,007.82 = 147,270.78/x
  3. Step 3: Cross multiply
    268,118.46x = 370,007.82 × 147,270.78
  4. Step 4: Simplify right side
    268,118.46x = 54,491,340,257.50
  5. Step 5: Solve for x
    x = 54,491,340,257.50/268,118.46
  6. Step 6: Final answer
    x = 203,236.06

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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.