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Finding the Fourth Proportional to 220,465.05, 304,245.02 and 123,690.30

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Solution

The fourth proportional to 220,465.05, 304,245.02 and 123,690.30 is: 170,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,465.05 : 304,245.02 = 123,690.30 : x
  2. Step 2: Convert to fraction form
    220,465.05/304,245.02 = 123,690.30/x
  3. Step 3: Cross multiply
    220,465.05x = 304,245.02 × 123,690.30
  4. Step 4: Simplify right side
    220,465.05x = 37,632,157,178.85
  5. Step 5: Solve for x
    x = 37,632,157,178.85/220,465.05
  6. Step 6: Final answer
    x = 170,694.44

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