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Finding the Fourth Proportional to 397,274.51, 548,227.28 and 225,208.44

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Solution

The fourth proportional to 397,274.51, 548,227.28 and 225,208.44 is: 310,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,274.51 : 548,227.28 = 225,208.44 : x
  2. Step 2: Convert to fraction form
    397,274.51/548,227.28 = 225,208.44/x
  3. Step 3: Cross multiply
    397,274.51x = 548,227.28 × 225,208.44
  4. Step 4: Simplify right side
    397,274.51x = 123,465,409,368.20
  5. Step 5: Solve for x
    x = 123,465,409,368.20/397,274.51
  6. Step 6: Final answer
    x = 310,781.10

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