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Finding the Fourth Proportional to 442,967.60, 664,451.40 and 162,448.40

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Solution

The fourth proportional to 442,967.60, 664,451.40 and 162,448.40 is: 243,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,967.60 : 664,451.40 = 162,448.40 : x
  2. Step 2: Convert to fraction form
    442,967.60/664,451.40 = 162,448.40/x
  3. Step 3: Cross multiply
    442,967.60x = 664,451.40 × 162,448.40
  4. Step 4: Simplify right side
    442,967.60x = 107,939,066,807.76
  5. Step 5: Solve for x
    x = 107,939,066,807.76/442,967.60
  6. Step 6: Final answer
    x = 243,672.60

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