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Finding the Fourth Proportional to 401,512.64, 554,087.40 and 222,664.64

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Solution

The fourth proportional to 401,512.64, 554,087.40 and 222,664.64 is: 307,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,512.64 : 554,087.40 = 222,664.64 : x
  2. Step 2: Convert to fraction form
    401,512.64/554,087.40 = 222,664.64/x
  3. Step 3: Cross multiply
    401,512.64x = 554,087.40 × 222,664.64
  4. Step 4: Simplify right side
    401,512.64x = 123,375,671,449.54
  5. Step 5: Solve for x
    x = 123,375,671,449.54/401,512.64
  6. Step 6: Final answer
    x = 307,277.18

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