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Finding the Fourth Proportional to 223,556.60, 335,263.78 and 73,768.98

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Solution

The fourth proportional to 223,556.60, 335,263.78 and 73,768.98 is: 110,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,556.60 : 335,263.78 = 73,768.98 : x
  2. Step 2: Convert to fraction form
    223,556.60/335,263.78 = 73,768.98/x
  3. Step 3: Cross multiply
    223,556.60x = 335,263.78 × 73,768.98
  4. Step 4: Simplify right side
    223,556.60x = 24,732,067,081.54
  5. Step 5: Solve for x
    x = 24,732,067,081.54/223,556.60
  6. Step 6: Final answer
    x = 110,630.00

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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.