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Finding the Fourth Proportional to 264,038.20, 396,446.10 and 204,940.60

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Solution

The fourth proportional to 264,038.20, 396,446.10 and 204,940.60 is: 307,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,038.20 : 396,446.10 = 204,940.60 : x
  2. Step 2: Convert to fraction form
    264,038.20/396,446.10 = 204,940.60/x
  3. Step 3: Cross multiply
    264,038.20x = 396,446.10 × 204,940.60
  4. Step 4: Simplify right side
    264,038.20x = 81,247,901,601.66
  5. Step 5: Solve for x
    x = 81,247,901,601.66/264,038.20
  6. Step 6: Final answer
    x = 307,712.68

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