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Finding the Fourth Proportional to 268,087.60, 402,131.40 and 162,938.80

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Solution

The fourth proportional to 268,087.60, 402,131.40 and 162,938.80 is: 244,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,087.60 : 402,131.40 = 162,938.80 : x
  2. Step 2: Convert to fraction form
    268,087.60/402,131.40 = 162,938.80/x
  3. Step 3: Cross multiply
    268,087.60x = 402,131.40 × 162,938.80
  4. Step 4: Simplify right side
    268,087.60x = 65,522,807,758.32
  5. Step 5: Solve for x
    x = 65,522,807,758.32/268,087.60
  6. Step 6: Final answer
    x = 244,408.20

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