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Finding the Fourth Proportional to 268,300.80, 402,451.20 and 173,822.40

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Solution

The fourth proportional to 268,300.80, 402,451.20 and 173,822.40 is: 260,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,300.80 : 402,451.20 = 173,822.40 : x
  2. Step 2: Convert to fraction form
    268,300.80/402,451.20 = 173,822.40/x
  3. Step 3: Cross multiply
    268,300.80x = 402,451.20 × 173,822.40
  4. Step 4: Simplify right side
    268,300.80x = 69,955,033,466.88
  5. Step 5: Solve for x
    x = 69,955,033,466.88/268,300.80
  6. Step 6: Final answer
    x = 260,733.60

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