Home / 397,288.57-595,951.22-131,072.35

Finding the Fourth Proportional to 397,288.57, 595,951.22 and 131,072.35

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Solution

The fourth proportional to 397,288.57, 595,951.22 and 131,072.35 is: 196,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,288.57 : 595,951.22 = 131,072.35 : x
  2. Step 2: Convert to fraction form
    397,288.57/595,951.22 = 131,072.35/x
  3. Step 3: Cross multiply
    397,288.57x = 595,951.22 × 131,072.35
  4. Step 4: Simplify right side
    397,288.57x = 78,112,726,235.41
  5. Step 5: Solve for x
    x = 78,112,726,235.41/397,288.57
  6. Step 6: Final answer
    x = 196,614.58

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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.