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Finding the Fourth Proportional to 245,425.20, 338,901.48 and 154,942.80

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Solution

The fourth proportional to 245,425.20, 338,901.48 and 154,942.80 is: 213,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,425.20 : 338,901.48 = 154,942.80 : x
  2. Step 2: Convert to fraction form
    245,425.20/338,901.48 = 154,942.80/x
  3. Step 3: Cross multiply
    245,425.20x = 338,901.48 × 154,942.80
  4. Step 4: Simplify right side
    245,425.20x = 52,510,344,235.34
  5. Step 5: Solve for x
    x = 52,510,344,235.34/245,425.20
  6. Step 6: Final answer
    x = 213,956.61

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