Home / 331,021.44-496,182.24-162,306.72

Finding the Fourth Proportional to 331,021.44, 496,182.24 and 162,306.72

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Solution

The fourth proportional to 331,021.44, 496,182.24 and 162,306.72 is: 243,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,021.44 : 496,182.24 = 162,306.72 : x
  2. Step 2: Convert to fraction form
    331,021.44/496,182.24 = 162,306.72/x
  3. Step 3: Cross multiply
    331,021.44x = 496,182.24 × 162,306.72
  4. Step 4: Simplify right side
    331,021.44x = 80,533,711,896.65
  5. Step 5: Solve for x
    x = 80,533,711,896.65/331,021.44
  6. Step 6: Final answer
    x = 243,288.51

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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.