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Finding the Fourth Proportional to 281,346.87, 388,258.67 and 154,022.46

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Solution

The fourth proportional to 281,346.87, 388,258.67 and 154,022.46 is: 212,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,346.87 : 388,258.67 = 154,022.46 : x
  2. Step 2: Convert to fraction form
    281,346.87/388,258.67 = 154,022.46/x
  3. Step 3: Cross multiply
    281,346.87x = 388,258.67 × 154,022.46
  4. Step 4: Simplify right side
    281,346.87x = 59,800,555,716.39
  5. Step 5: Solve for x
    x = 59,800,555,716.39/281,346.87
  6. Step 6: Final answer
    x = 212,550.99

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