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Finding the Fourth Proportional to 375,258.80, 517,860.20 and 222,305.69

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Solution

The fourth proportional to 375,258.80, 517,860.20 and 222,305.69 is: 306,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,258.80 : 517,860.20 = 222,305.69 : x
  2. Step 2: Convert to fraction form
    375,258.80/517,860.20 = 222,305.69/x
  3. Step 3: Cross multiply
    375,258.80x = 517,860.20 × 222,305.69
  4. Step 4: Simplify right side
    375,258.80x = 115,123,269,084.54
  5. Step 5: Solve for x
    x = 115,123,269,084.54/375,258.80
  6. Step 6: Final answer
    x = 306,783.66

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