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Finding the Fourth Proportional to 273,965.40, 411,024.90 and 133,728.60

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Solution

The fourth proportional to 273,965.40, 411,024.90 and 133,728.60 is: 200,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,965.40 : 411,024.90 = 133,728.60 : x
  2. Step 2: Convert to fraction form
    273,965.40/411,024.90 = 133,728.60/x
  3. Step 3: Cross multiply
    273,965.40x = 411,024.90 × 133,728.60
  4. Step 4: Simplify right side
    273,965.40x = 54,965,784,442.14
  5. Step 5: Solve for x
    x = 54,965,784,442.14/273,965.40
  6. Step 6: Final answer
    x = 200,630.39

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