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Finding the Fourth Proportional to 326,107.24, 450,018.60 and 198,736.36

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Solution

The fourth proportional to 326,107.24, 450,018.60 and 198,736.36 is: 274,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,107.24 : 450,018.60 = 198,736.36 : x
  2. Step 2: Convert to fraction form
    326,107.24/450,018.60 = 198,736.36/x
  3. Step 3: Cross multiply
    326,107.24x = 450,018.60 × 198,736.36
  4. Step 4: Simplify right side
    326,107.24x = 89,435,058,496.30
  5. Step 5: Solve for x
    x = 89,435,058,496.30/326,107.24
  6. Step 6: Final answer
    x = 274,250.45

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