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Finding the Fourth Proportional to 442,880.20, 664,190.70 and 158,537.80

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Solution

The fourth proportional to 442,880.20, 664,190.70 and 158,537.80 is: 237,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,880.20 : 664,190.70 = 158,537.80 : x
  2. Step 2: Convert to fraction form
    442,880.20/664,190.70 = 158,537.80/x
  3. Step 3: Cross multiply
    442,880.20x = 664,190.70 × 158,537.80
  4. Step 4: Simplify right side
    442,880.20x = 105,299,332,358.46
  5. Step 5: Solve for x
    x = 105,299,332,358.46/442,880.20
  6. Step 6: Final answer
    x = 237,760.31

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