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Finding the Fourth Proportional to 269,723.60, 404,585.40 and 185,742.80

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Solution

The fourth proportional to 269,723.60, 404,585.40 and 185,742.80 is: 278,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,723.60 : 404,585.40 = 185,742.80 : x
  2. Step 2: Convert to fraction form
    269,723.60/404,585.40 = 185,742.80/x
  3. Step 3: Cross multiply
    269,723.60x = 404,585.40 × 185,742.80
  4. Step 4: Simplify right side
    269,723.60x = 75,148,825,035.12
  5. Step 5: Solve for x
    x = 75,148,825,035.12/269,723.60
  6. Step 6: Final answer
    x = 278,614.20

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