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Finding the Fourth Proportional to 230,704.80, 346,057.20 and 72,981.60

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Solution

The fourth proportional to 230,704.80, 346,057.20 and 72,981.60 is: 109,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,704.80 : 346,057.20 = 72,981.60 : x
  2. Step 2: Convert to fraction form
    230,704.80/346,057.20 = 72,981.60/x
  3. Step 3: Cross multiply
    230,704.80x = 346,057.20 × 72,981.60
  4. Step 4: Simplify right side
    230,704.80x = 25,255,808,147.52
  5. Step 5: Solve for x
    x = 25,255,808,147.52/230,704.80
  6. Step 6: Final answer
    x = 109,472.40

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