Home / 397,416.14-595,997.79-131,127.02

Finding the Fourth Proportional to 397,416.14, 595,997.79 and 131,127.02

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Solution

The fourth proportional to 397,416.14, 595,997.79 and 131,127.02 is: 196,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,416.14 : 595,997.79 = 131,127.02 : x
  2. Step 2: Convert to fraction form
    397,416.14/595,997.79 = 131,127.02/x
  3. Step 3: Cross multiply
    397,416.14x = 595,997.79 × 131,127.02
  4. Step 4: Simplify right side
    397,416.14x = 78,151,414,129.29
  5. Step 5: Solve for x
    x = 78,151,414,129.29/397,416.14
  6. Step 6: Final answer
    x = 196,648.82

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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.