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Finding the Fourth Proportional to 346,451.20, 520,065.60 and 267,913.60

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Solution

The fourth proportional to 346,451.20, 520,065.60 and 267,913.60 is: 402,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,451.20 : 520,065.60 = 267,913.60 : x
  2. Step 2: Convert to fraction form
    346,451.20/520,065.60 = 267,913.60/x
  3. Step 3: Cross multiply
    346,451.20x = 520,065.60 × 267,913.60
  4. Step 4: Simplify right side
    346,451.20x = 139,332,647,132.16
  5. Step 5: Solve for x
    x = 139,332,647,132.16/346,451.20
  6. Step 6: Final answer
    x = 402,171.06

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