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Finding the Fourth Proportional to 455,281.60, 682,922.40 and 159,793.60

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Solution

The fourth proportional to 455,281.60, 682,922.40 and 159,793.60 is: 239,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,281.60 : 682,922.40 = 159,793.60 : x
  2. Step 2: Convert to fraction form
    455,281.60/682,922.40 = 159,793.60/x
  3. Step 3: Cross multiply
    455,281.60x = 682,922.40 × 159,793.60
  4. Step 4: Simplify right side
    455,281.60x = 109,126,628,816.64
  5. Step 5: Solve for x
    x = 109,126,628,816.64/455,281.60
  6. Step 6: Final answer
    x = 239,690.40

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