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Finding the Fourth Proportional to 229,791.60, 344,719.80 and 72,003.60

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Solution

The fourth proportional to 229,791.60, 344,719.80 and 72,003.60 is: 108,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,791.60 : 344,719.80 = 72,003.60 : x
  2. Step 2: Convert to fraction form
    229,791.60/344,719.80 = 72,003.60/x
  3. Step 3: Cross multiply
    229,791.60x = 344,719.80 × 72,003.60
  4. Step 4: Simplify right side
    229,791.60x = 24,821,066,591.28
  5. Step 5: Solve for x
    x = 24,821,066,591.28/229,791.60
  6. Step 6: Final answer
    x = 108,015.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.