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Finding the Fourth Proportional to 230,972.80, 346,459.20 and 207,353.20

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Solution

The fourth proportional to 230,972.80, 346,459.20 and 207,353.20 is: 311,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,972.80 : 346,459.20 = 207,353.20 : x
  2. Step 2: Convert to fraction form
    230,972.80/346,459.20 = 207,353.20/x
  3. Step 3: Cross multiply
    230,972.80x = 346,459.20 × 207,353.20
  4. Step 4: Simplify right side
    230,972.80x = 71,839,423,789.44
  5. Step 5: Solve for x
    x = 71,839,423,789.44/230,972.80
  6. Step 6: Final answer
    x = 311,029.80

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