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Finding the Fourth Proportional to 325,819.80, 488,583.90 and 148,235.40

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Solution

The fourth proportional to 325,819.80, 488,583.90 and 148,235.40 is: 222,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,819.80 : 488,583.90 = 148,235.40 : x
  2. Step 2: Convert to fraction form
    325,819.80/488,583.90 = 148,235.40/x
  3. Step 3: Cross multiply
    325,819.80x = 488,583.90 × 148,235.40
  4. Step 4: Simplify right side
    325,819.80x = 72,425,429,850.06
  5. Step 5: Solve for x
    x = 72,425,429,850.06/325,819.80
  6. Step 6: Final answer
    x = 222,286.77

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