Home / 397,288.07-595,950.46-131,071.85

Finding the Fourth Proportional to 397,288.07, 595,950.46 and 131,071.85

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Solution

The fourth proportional to 397,288.07, 595,950.46 and 131,071.85 is: 196,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,288.07 : 595,950.46 = 131,071.85 : x
  2. Step 2: Convert to fraction form
    397,288.07/595,950.46 = 131,071.85/x
  3. Step 3: Cross multiply
    397,288.07x = 595,950.46 × 131,071.85
  4. Step 4: Simplify right side
    397,288.07x = 78,112,328,965.21
  5. Step 5: Solve for x
    x = 78,112,328,965.21/397,288.07
  6. Step 6: Final answer
    x = 196,613.83

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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.