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Finding the Fourth Proportional to 294,422.40, 441,691.20 and 125,942.40

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Solution

The fourth proportional to 294,422.40, 441,691.20 and 125,942.40 is: 188,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,422.40 : 441,691.20 = 125,942.40 : x
  2. Step 2: Convert to fraction form
    294,422.40/441,691.20 = 125,942.40/x
  3. Step 3: Cross multiply
    294,422.40x = 441,691.20 × 125,942.40
  4. Step 4: Simplify right side
    294,422.40x = 55,627,649,786.88
  5. Step 5: Solve for x
    x = 55,627,649,786.88/294,422.40
  6. Step 6: Final answer
    x = 188,938.24

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