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Finding the Fourth Proportional to 325,633.80, 489,033.90 and 236,987.40

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Solution

The fourth proportional to 325,633.80, 489,033.90 and 236,987.40 is: 355,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,633.80 : 489,033.90 = 236,987.40 : x
  2. Step 2: Convert to fraction form
    325,633.80/489,033.90 = 236,987.40/x
  3. Step 3: Cross multiply
    325,633.80x = 489,033.90 × 236,987.40
  4. Step 4: Simplify right side
    325,633.80x = 115,894,872,472.86
  5. Step 5: Solve for x
    x = 115,894,872,472.86/325,633.80
  6. Step 6: Final answer
    x = 355,905.54

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