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Finding the Fourth Proportional to 242,109.20, 363,163.80 and 231,222.80

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Solution

The fourth proportional to 242,109.20, 363,163.80 and 231,222.80 is: 346,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,109.20 : 363,163.80 = 231,222.80 : x
  2. Step 2: Convert to fraction form
    242,109.20/363,163.80 = 231,222.80/x
  3. Step 3: Cross multiply
    242,109.20x = 363,163.80 × 231,222.80
  4. Step 4: Simplify right side
    242,109.20x = 83,971,750,694.64
  5. Step 5: Solve for x
    x = 83,971,750,694.64/242,109.20
  6. Step 6: Final answer
    x = 346,834.20

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