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Finding the Fourth Proportional to 226,873.60, 339,964.80 and 191,622.40

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Solution

The fourth proportional to 226,873.60, 339,964.80 and 191,622.40 is: 287,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,873.60 : 339,964.80 = 191,622.40 : x
  2. Step 2: Convert to fraction form
    226,873.60/339,964.80 = 191,622.40/x
  3. Step 3: Cross multiply
    226,873.60x = 339,964.80 × 191,622.40
  4. Step 4: Simplify right side
    226,873.60x = 65,144,870,891.52
  5. Step 5: Solve for x
    x = 65,144,870,891.52/226,873.60
  6. Step 6: Final answer
    x = 287,141.70

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