Home / 667,573.92-1,001,351.16-162,138.78

Finding the Fourth Proportional to 667,573.92, 1,001,351.16 and 162,138.78

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Solution

The fourth proportional to 667,573.92, 1,001,351.16 and 162,138.78 is: 243,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,573.92 : 1,001,351.16 = 162,138.78 : x
  2. Step 2: Convert to fraction form
    667,573.92/1,001,351.16 = 162,138.78/x
  3. Step 3: Cross multiply
    667,573.92x = 1,001,351.16 × 162,138.78
  4. Step 4: Simplify right side
    667,573.92x = 162,357,855,433.99
  5. Step 5: Solve for x
    x = 162,357,855,433.99/667,573.92
  6. Step 6: Final answer
    x = 243,205.81

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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.