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Finding the Fourth Proportional to 442,843.70, 664,265.55 and 162,470.30

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Solution

The fourth proportional to 442,843.70, 664,265.55 and 162,470.30 is: 243,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,843.70 : 664,265.55 = 162,470.30 : x
  2. Step 2: Convert to fraction form
    442,843.70/664,265.55 = 162,470.30/x
  3. Step 3: Cross multiply
    442,843.70x = 664,265.55 × 162,470.30
  4. Step 4: Simplify right side
    442,843.70x = 107,923,423,188.17
  5. Step 5: Solve for x
    x = 107,923,423,188.17/442,843.70
  6. Step 6: Final answer
    x = 243,705.45

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