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Finding the Fourth Proportional to 348,019.20, 522,028.80 and 229,921.20

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Solution

The fourth proportional to 348,019.20, 522,028.80 and 229,921.20 is: 344,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,019.20 : 522,028.80 = 229,921.20 : x
  2. Step 2: Convert to fraction form
    348,019.20/522,028.80 = 229,921.20/x
  3. Step 3: Cross multiply
    348,019.20x = 522,028.80 × 229,921.20
  4. Step 4: Simplify right side
    348,019.20x = 120,025,488,130.56
  5. Step 5: Solve for x
    x = 120,025,488,130.56/348,019.20
  6. Step 6: Final answer
    x = 344,881.80

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