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Finding the Fourth Proportional to 479,550.44, 661,769.48 and 261,751.92

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Solution

The fourth proportional to 479,550.44, 661,769.48 and 261,751.92 is: 361,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,550.44 : 661,769.48 = 261,751.92 : x
  2. Step 2: Convert to fraction form
    479,550.44/661,769.48 = 261,751.92/x
  3. Step 3: Cross multiply
    479,550.44x = 661,769.48 × 261,751.92
  4. Step 4: Simplify right side
    479,550.44x = 173,219,431,987.40
  5. Step 5: Solve for x
    x = 173,219,431,987.40/479,550.44
  6. Step 6: Final answer
    x = 361,212.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.