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Finding the Fourth Proportional to 200,857.13, 301,287.40 and 51,097.55

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Solution

The fourth proportional to 200,857.13, 301,287.40 and 51,097.55 is: 76,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,857.13 : 301,287.40 = 51,097.55 : x
  2. Step 2: Convert to fraction form
    200,857.13/301,287.40 = 51,097.55/x
  3. Step 3: Cross multiply
    200,857.13x = 301,287.40 × 51,097.55
  4. Step 4: Simplify right side
    200,857.13x = 15,395,046,479.43
  5. Step 5: Solve for x
    x = 15,395,046,479.43/200,857.13
  6. Step 6: Final answer
    x = 76,646.75

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