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Finding the Fourth Proportional to 449,145.60, 673,815.60 and 133,634.40

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Solution

The fourth proportional to 449,145.60, 673,815.60 and 133,634.40 is: 200,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,145.60 : 673,815.60 = 133,634.40 : x
  2. Step 2: Convert to fraction form
    449,145.60/673,815.60 = 133,634.40/x
  3. Step 3: Cross multiply
    449,145.60x = 673,815.60 × 133,634.40
  4. Step 4: Simplify right side
    449,145.60x = 90,044,943,416.64
  5. Step 5: Solve for x
    x = 90,044,943,416.64/449,145.60
  6. Step 6: Final answer
    x = 200,480.52

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