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Finding the Fourth Proportional to 402,331.20, 603,569.70 and 202,147.80

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Solution

The fourth proportional to 402,331.20, 603,569.70 and 202,147.80 is: 303,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,331.20 : 603,569.70 = 202,147.80 : x
  2. Step 2: Convert to fraction form
    402,331.20/603,569.70 = 202,147.80/x
  3. Step 3: Cross multiply
    402,331.20x = 603,569.70 × 202,147.80
  4. Step 4: Simplify right side
    402,331.20x = 122,010,287,001.66
  5. Step 5: Solve for x
    x = 122,010,287,001.66/402,331.20
  6. Step 6: Final answer
    x = 303,258.33

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