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Finding the Fourth Proportional to 479,910.96, 662,275.04 and 265,049.96

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Solution

The fourth proportional to 479,910.96, 662,275.04 and 265,049.96 is: 365,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,910.96 : 662,275.04 = 265,049.96 : x
  2. Step 2: Convert to fraction form
    479,910.96/662,275.04 = 265,049.96/x
  3. Step 3: Cross multiply
    479,910.96x = 662,275.04 × 265,049.96
  4. Step 4: Simplify right side
    479,910.96x = 175,535,968,224.37
  5. Step 5: Solve for x
    x = 175,535,968,224.37/479,910.96
  6. Step 6: Final answer
    x = 365,767.78

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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.