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Finding the Fourth Proportional to 338,145.28, 466,640.46 and 187,242.28

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Solution

The fourth proportional to 338,145.28, 466,640.46 and 187,242.28 is: 258,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,145.28 : 466,640.46 = 187,242.28 : x
  2. Step 2: Convert to fraction form
    338,145.28/466,640.46 = 187,242.28/x
  3. Step 3: Cross multiply
    338,145.28x = 466,640.46 × 187,242.28
  4. Step 4: Simplify right side
    338,145.28x = 87,374,823,670.65
  5. Step 5: Solve for x
    x = 87,374,823,670.65/338,145.28
  6. Step 6: Final answer
    x = 258,394.33

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