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Finding the Fourth Proportional to 268,168.80, 402,253.20 and 173,690.40

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Solution

The fourth proportional to 268,168.80, 402,253.20 and 173,690.40 is: 260,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,168.80 : 402,253.20 = 173,690.40 : x
  2. Step 2: Convert to fraction form
    268,168.80/402,253.20 = 173,690.40/x
  3. Step 3: Cross multiply
    268,168.80x = 402,253.20 × 173,690.40
  4. Step 4: Simplify right side
    268,168.80x = 69,867,519,209.28
  5. Step 5: Solve for x
    x = 69,867,519,209.28/268,168.80
  6. Step 6: Final answer
    x = 260,535.60

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