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Finding the Fourth Proportional to 293,452.80, 440,179.20 and 188,390.40

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Solution

The fourth proportional to 293,452.80, 440,179.20 and 188,390.40 is: 282,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,452.80 : 440,179.20 = 188,390.40 : x
  2. Step 2: Convert to fraction form
    293,452.80/440,179.20 = 188,390.40/x
  3. Step 3: Cross multiply
    293,452.80x = 440,179.20 × 188,390.40
  4. Step 4: Simplify right side
    293,452.80x = 82,925,535,559.68
  5. Step 5: Solve for x
    x = 82,925,535,559.68/293,452.80
  6. Step 6: Final answer
    x = 282,585.60

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