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Finding the Fourth Proportional to 219,116.45, 328,711.01 and 76,924.82

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Solution

The fourth proportional to 219,116.45, 328,711.01 and 76,924.82 is: 115,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,116.45 : 328,711.01 = 76,924.82 : x
  2. Step 2: Convert to fraction form
    219,116.45/328,711.01 = 76,924.82/x
  3. Step 3: Cross multiply
    219,116.45x = 328,711.01 × 76,924.82
  4. Step 4: Simplify right side
    219,116.45x = 25,286,035,276.27
  5. Step 5: Solve for x
    x = 25,286,035,276.27/219,116.45
  6. Step 6: Final answer
    x = 115,399.99

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