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Finding the Fourth Proportional to 449,780.22, 674,856.81 and 196,930.20

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Solution

The fourth proportional to 449,780.22, 674,856.81 and 196,930.20 is: 295,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,780.22 : 674,856.81 = 196,930.20 : x
  2. Step 2: Convert to fraction form
    449,780.22/674,856.81 = 196,930.20/x
  3. Step 3: Cross multiply
    449,780.22x = 674,856.81 × 196,930.20
  4. Step 4: Simplify right side
    449,780.22x = 132,899,686,564.66
  5. Step 5: Solve for x
    x = 132,899,686,564.66/449,780.22
  6. Step 6: Final answer
    x = 295,476.95

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