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Finding the Fourth Proportional to 397,367.34, 595,992.69 and 131,134.38

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Solution

The fourth proportional to 397,367.34, 595,992.69 and 131,134.38 is: 196,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,367.34 : 595,992.69 = 131,134.38 : x
  2. Step 2: Convert to fraction form
    397,367.34/595,992.69 = 131,134.38/x
  3. Step 3: Cross multiply
    397,367.34x = 595,992.69 × 131,134.38
  4. Step 4: Simplify right side
    397,367.34x = 78,155,131,887.68
  5. Step 5: Solve for x
    x = 78,155,131,887.68/397,367.34
  6. Step 6: Final answer
    x = 196,682.32

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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.