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Finding the Fourth Proportional to 301,107.20, 451,660.80 and 123,522.80

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Solution

The fourth proportional to 301,107.20, 451,660.80 and 123,522.80 is: 185,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,107.20 : 451,660.80 = 123,522.80 : x
  2. Step 2: Convert to fraction form
    301,107.20/451,660.80 = 123,522.80/x
  3. Step 3: Cross multiply
    301,107.20x = 451,660.80 × 123,522.80
  4. Step 4: Simplify right side
    301,107.20x = 55,790,406,666.24
  5. Step 5: Solve for x
    x = 55,790,406,666.24/301,107.20
  6. Step 6: Final answer
    x = 185,284.20

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