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Finding the Fourth Proportional to 229,811.20, 344,727.60 and 72,044.80

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Solution

The fourth proportional to 229,811.20, 344,727.60 and 72,044.80 is: 108,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,811.20 : 344,727.60 = 72,044.80 : x
  2. Step 2: Convert to fraction form
    229,811.20/344,727.60 = 72,044.80/x
  3. Step 3: Cross multiply
    229,811.20x = 344,727.60 × 72,044.80
  4. Step 4: Simplify right side
    229,811.20x = 24,835,830,996.48
  5. Step 5: Solve for x
    x = 24,835,830,996.48/229,811.20
  6. Step 6: Final answer
    x = 108,070.59

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