Home / 397,288.32-595,950.84-131,072.10

Finding the Fourth Proportional to 397,288.32, 595,950.84 and 131,072.10

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Solution

The fourth proportional to 397,288.32, 595,950.84 and 131,072.10 is: 196,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,288.32 : 595,950.84 = 131,072.10 : x
  2. Step 2: Convert to fraction form
    397,288.32/595,950.84 = 131,072.10/x
  3. Step 3: Cross multiply
    397,288.32x = 595,950.84 × 131,072.10
  4. Step 4: Simplify right side
    397,288.32x = 78,112,527,767.88
  5. Step 5: Solve for x
    x = 78,112,527,767.88/397,288.32
  6. Step 6: Final answer
    x = 196,614.21

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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.