Home / 320,815.38-481,186.10-84,176.52

Finding the Fourth Proportional to 320,815.38, 481,186.10 and 84,176.52

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Solution

The fourth proportional to 320,815.38, 481,186.10 and 84,176.52 is: 126,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,815.38 : 481,186.10 = 84,176.52 : x
  2. Step 2: Convert to fraction form
    320,815.38/481,186.10 = 84,176.52/x
  3. Step 3: Cross multiply
    320,815.38x = 481,186.10 × 84,176.52
  4. Step 4: Simplify right side
    320,815.38x = 40,504,569,776.37
  5. Step 5: Solve for x
    x = 40,504,569,776.37/320,815.38
  6. Step 6: Final answer
    x = 126,255.07

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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.