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Finding the Fourth Proportional to 367,796.40, 551,694.60 and 218,497.20

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Solution

The fourth proportional to 367,796.40, 551,694.60 and 218,497.20 is: 327,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,796.40 : 551,694.60 = 218,497.20 : x
  2. Step 2: Convert to fraction form
    367,796.40/551,694.60 = 218,497.20/x
  3. Step 3: Cross multiply
    367,796.40x = 551,694.60 × 218,497.20
  4. Step 4: Simplify right side
    367,796.40x = 120,543,725,355.12
  5. Step 5: Solve for x
    x = 120,543,725,355.12/367,796.40
  6. Step 6: Final answer
    x = 327,745.80

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