Home / 215,708.24-323,353.38-82,485.92

Finding the Fourth Proportional to 215,708.24, 323,353.38 and 82,485.92

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Solution

The fourth proportional to 215,708.24, 323,353.38 and 82,485.92 is: 123,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,708.24 : 323,353.38 = 82,485.92 : x
  2. Step 2: Convert to fraction form
    215,708.24/323,353.38 = 82,485.92/x
  3. Step 3: Cross multiply
    215,708.24x = 323,353.38 × 82,485.92
  4. Step 4: Simplify right side
    215,708.24x = 26,672,101,034.41
  5. Step 5: Solve for x
    x = 26,672,101,034.41/215,708.24
  6. Step 6: Final answer
    x = 123,648.97

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1.5x scale

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.