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Finding the Fourth Proportional to 403,764.10, 605,427.45 and 166,839.10

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Solution

The fourth proportional to 403,764.10, 605,427.45 and 166,839.10 is: 250,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,764.10 : 605,427.45 = 166,839.10 : x
  2. Step 2: Convert to fraction form
    403,764.10/605,427.45 = 166,839.10/x
  3. Step 3: Cross multiply
    403,764.10x = 605,427.45 × 166,839.10
  4. Step 4: Simplify right side
    403,764.10x = 101,008,970,873.30
  5. Step 5: Solve for x
    x = 101,008,970,873.30/403,764.10
  6. Step 6: Final answer
    x = 250,168.28

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