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Finding the Fourth Proportional to 362,422.78, 500,114.28 and 209,470.88

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Solution

The fourth proportional to 362,422.78, 500,114.28 and 209,470.88 is: 289,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,422.78 : 500,114.28 = 209,470.88 : x
  2. Step 2: Convert to fraction form
    362,422.78/500,114.28 = 209,470.88/x
  3. Step 3: Cross multiply
    362,422.78x = 500,114.28 × 209,470.88
  4. Step 4: Simplify right side
    362,422.78x = 104,759,378,029.14
  5. Step 5: Solve for x
    x = 104,759,378,029.14/362,422.78
  6. Step 6: Final answer
    x = 289,052.96

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