Home / 197,748.48-296,620.22-47,990

Finding the Fourth Proportional to 197,748.48, 296,620.22 and 47,990

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Solution

The fourth proportional to 197,748.48, 296,620.22 and 47,990 is: 71,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,748.48 : 296,620.22 = 47,990 : x
  2. Step 2: Convert to fraction form
    197,748.48/296,620.22 = 47,990/x
  3. Step 3: Cross multiply
    197,748.48x = 296,620.22 × 47,990
  4. Step 4: Simplify right side
    197,748.48x = 14,234,804,357.80
  5. Step 5: Solve for x
    x = 14,234,804,357.80/197,748.48
  6. Step 6: Final answer
    x = 71,984.39

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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.