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Finding the Fourth Proportional to 479,170.92, 661,293 and 264,329.76

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Solution

The fourth proportional to 479,170.92, 661,293 and 264,329.76 is: 364,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,170.92 : 661,293 = 264,329.76 : x
  2. Step 2: Convert to fraction form
    479,170.92/661,293 = 264,329.76/x
  3. Step 3: Cross multiply
    479,170.92x = 661,293 × 264,329.76
  4. Step 4: Simplify right side
    479,170.92x = 174,799,419,979.68
  5. Step 5: Solve for x
    x = 174,799,419,979.68/479,170.92
  6. Step 6: Final answer
    x = 364,795.55

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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.