Home / 478,132.11-659,836.83-263,279.87

Finding the Fourth Proportional to 478,132.11, 659,836.83 and 263,279.87

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Solution

The fourth proportional to 478,132.11, 659,836.83 and 263,279.87 is: 363,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,132.11 : 659,836.83 = 263,279.87 : x
  2. Step 2: Convert to fraction form
    478,132.11/659,836.83 = 263,279.87/x
  3. Step 3: Cross multiply
    478,132.11x = 659,836.83 × 263,279.87
  4. Step 4: Simplify right side
    478,132.11x = 173,721,751,524.43
  5. Step 5: Solve for x
    x = 173,721,751,524.43/478,132.11
  6. Step 6: Final answer
    x = 363,334.21

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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.