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Finding the Fourth Proportional to 227,412.20, 340,462.20 and 220,851.20

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Solution

The fourth proportional to 227,412.20, 340,462.20 and 220,851.20 is: 330,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,412.20 : 340,462.20 = 220,851.20 : x
  2. Step 2: Convert to fraction form
    227,412.20/340,462.20 = 220,851.20/x
  3. Step 3: Cross multiply
    227,412.20x = 340,462.20 × 220,851.20
  4. Step 4: Simplify right side
    227,412.20x = 75,191,485,424.64
  5. Step 5: Solve for x
    x = 75,191,485,424.64/227,412.20
  6. Step 6: Final answer
    x = 330,639.63

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