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Finding the Fourth Proportional to 214,359.20, 320,882.70 and 155,310.20

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Solution

The fourth proportional to 214,359.20, 320,882.70 and 155,310.20 is: 232,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,359.20 : 320,882.70 = 155,310.20 : x
  2. Step 2: Convert to fraction form
    214,359.20/320,882.70 = 155,310.20/x
  3. Step 3: Cross multiply
    214,359.20x = 320,882.70 × 155,310.20
  4. Step 4: Simplify right side
    214,359.20x = 49,836,356,313.54
  5. Step 5: Solve for x
    x = 49,836,356,313.54/214,359.20
  6. Step 6: Final answer
    x = 232,489.93

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