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Finding the Fourth Proportional to 346,540.80, 519,811.20 and 196,723.20

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Solution

The fourth proportional to 346,540.80, 519,811.20 and 196,723.20 is: 295,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,540.80 : 519,811.20 = 196,723.20 : x
  2. Step 2: Convert to fraction form
    346,540.80/519,811.20 = 196,723.20/x
  3. Step 3: Cross multiply
    346,540.80x = 519,811.20 × 196,723.20
  4. Step 4: Simplify right side
    346,540.80x = 102,258,922,659.84
  5. Step 5: Solve for x
    x = 102,258,922,659.84/346,540.80
  6. Step 6: Final answer
    x = 295,084.80

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