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Finding the Fourth Proportional to 371,570.20, 557,355.30 and 267,371.80

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Solution

The fourth proportional to 371,570.20, 557,355.30 and 267,371.80 is: 401,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,570.20 : 557,355.30 = 267,371.80 : x
  2. Step 2: Convert to fraction form
    371,570.20/557,355.30 = 267,371.80/x
  3. Step 3: Cross multiply
    371,570.20x = 557,355.30 × 267,371.80
  4. Step 4: Simplify right side
    371,570.20x = 149,021,089,800.54
  5. Step 5: Solve for x
    x = 149,021,089,800.54/371,570.20
  6. Step 6: Final answer
    x = 401,057.70

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