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Finding the Fourth Proportional to 438,167.70, 657,251.55 and 171,936.90

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Solution

The fourth proportional to 438,167.70, 657,251.55 and 171,936.90 is: 257,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,167.70 : 657,251.55 = 171,936.90 : x
  2. Step 2: Convert to fraction form
    438,167.70/657,251.55 = 171,936.90/x
  3. Step 3: Cross multiply
    438,167.70x = 657,251.55 × 171,936.90
  4. Step 4: Simplify right side
    438,167.70x = 113,005,794,027.20
  5. Step 5: Solve for x
    x = 113,005,794,027.20/438,167.70
  6. Step 6: Final answer
    x = 257,905.35

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