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Finding the Fourth Proportional to 219,231.80, 328,847.70 and 159,453.80

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Solution

The fourth proportional to 219,231.80, 328,847.70 and 159,453.80 is: 239,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,231.80 : 328,847.70 = 159,453.80 : x
  2. Step 2: Convert to fraction form
    219,231.80/328,847.70 = 159,453.80/x
  3. Step 3: Cross multiply
    219,231.80x = 328,847.70 × 159,453.80
  4. Step 4: Simplify right side
    219,231.80x = 52,436,015,386.26
  5. Step 5: Solve for x
    x = 52,436,015,386.26/219,231.80
  6. Step 6: Final answer
    x = 239,180.70

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