Home / 397,640.03-596,571.20-131,587.83

Finding the Fourth Proportional to 397,640.03, 596,571.20 and 131,587.83

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Solution

The fourth proportional to 397,640.03, 596,571.20 and 131,587.83 is: 197,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,640.03 : 596,571.20 = 131,587.83 : x
  2. Step 2: Convert to fraction form
    397,640.03/596,571.20 = 131,587.83/x
  3. Step 3: Cross multiply
    397,640.03x = 596,571.20 × 131,587.83
  4. Step 4: Simplify right side
    397,640.03x = 78,501,508,990.56
  5. Step 5: Solve for x
    x = 78,501,508,990.56/397,640.03
  6. Step 6: Final answer
    x = 197,418.53

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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.