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Finding the Fourth Proportional to 268,391.25, 370,339.90 and 153,651.78

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Solution

The fourth proportional to 268,391.25, 370,339.90 and 153,651.78 is: 212,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,391.25 : 370,339.90 = 153,651.78 : x
  2. Step 2: Convert to fraction form
    268,391.25/370,339.90 = 153,651.78/x
  3. Step 3: Cross multiply
    268,391.25x = 370,339.90 × 153,651.78
  4. Step 4: Simplify right side
    268,391.25x = 56,903,384,455.89
  5. Step 5: Solve for x
    x = 56,903,384,455.89/268,391.25
  6. Step 6: Final answer
    x = 212,016.54

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