Home / 298,150.56-447,433.20-192,708

Finding the Fourth Proportional to 298,150.56, 447,433.20 and 192,708

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Solution

The fourth proportional to 298,150.56, 447,433.20 and 192,708 is: 289,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,150.56 : 447,433.20 = 192,708 : x
  2. Step 2: Convert to fraction form
    298,150.56/447,433.20 = 192,708/x
  3. Step 3: Cross multiply
    298,150.56x = 447,433.20 × 192,708
  4. Step 4: Simplify right side
    298,150.56x = 86,223,957,105.60
  5. Step 5: Solve for x
    x = 86,223,957,105.60/298,150.56
  6. Step 6: Final answer
    x = 289,196.03

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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.