Home / 493,333.80-739,917.24-138,266.10

Finding the Fourth Proportional to 493,333.80, 739,917.24 and 138,266.10

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Solution

The fourth proportional to 493,333.80, 739,917.24 and 138,266.10 is: 207,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,333.80 : 739,917.24 = 138,266.10 : x
  2. Step 2: Convert to fraction form
    493,333.80/739,917.24 = 138,266.10/x
  3. Step 3: Cross multiply
    493,333.80x = 739,917.24 × 138,266.10
  4. Step 4: Simplify right side
    493,333.80x = 102,305,471,097.56
  5. Step 5: Solve for x
    x = 102,305,471,097.56/493,333.80
  6. Step 6: Final answer
    x = 207,375.76

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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.