Home / 286,996.72-396,049.36-166,143.12

Finding the Fourth Proportional to 286,996.72, 396,049.36 and 166,143.12

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Solution

The fourth proportional to 286,996.72, 396,049.36 and 166,143.12 is: 229,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,996.72 : 396,049.36 = 166,143.12 : x
  2. Step 2: Convert to fraction form
    286,996.72/396,049.36 = 166,143.12/x
  3. Step 3: Cross multiply
    286,996.72x = 396,049.36 × 166,143.12
  4. Step 4: Simplify right side
    286,996.72x = 65,800,876,344.40
  5. Step 5: Solve for x
    x = 65,800,876,344.40/286,996.72
  6. Step 6: Final answer
    x = 229,273.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.