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Finding the Fourth Proportional to 264,021.40, 396,032.10 and 220,475.80

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Solution

The fourth proportional to 264,021.40, 396,032.10 and 220,475.80 is: 330,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,021.40 : 396,032.10 = 220,475.80 : x
  2. Step 2: Convert to fraction form
    264,021.40/396,032.10 = 220,475.80/x
  3. Step 3: Cross multiply
    264,021.40x = 396,032.10 × 220,475.80
  4. Step 4: Simplify right side
    264,021.40x = 87,315,494,073.18
  5. Step 5: Solve for x
    x = 87,315,494,073.18/264,021.40
  6. Step 6: Final answer
    x = 330,713.70

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