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Finding the Fourth Proportional to 403,789.60, 605,465.70 and 166,864.60

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Solution

The fourth proportional to 403,789.60, 605,465.70 and 166,864.60 is: 250,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,789.60 : 605,465.70 = 166,864.60 : x
  2. Step 2: Convert to fraction form
    403,789.60/605,465.70 = 166,864.60/x
  3. Step 3: Cross multiply
    403,789.60x = 605,465.70 × 166,864.60
  4. Step 4: Simplify right side
    403,789.60x = 101,030,791,844.22
  5. Step 5: Solve for x
    x = 101,030,791,844.22/403,789.60
  6. Step 6: Final answer
    x = 250,206.52

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