Home / 397,247.32-595,786.92-130,944.53

Finding the Fourth Proportional to 397,247.32, 595,786.92 and 130,944.53

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Solution

The fourth proportional to 397,247.32, 595,786.92 and 130,944.53 is: 196,389.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,247.32 : 595,786.92 = 130,944.53 : x
  2. Step 2: Convert to fraction form
    397,247.32/595,786.92 = 130,944.53/x
  3. Step 3: Cross multiply
    397,247.32x = 595,786.92 × 130,944.53
  4. Step 4: Simplify right side
    397,247.32x = 78,015,037,564.83
  5. Step 5: Solve for x
    x = 78,015,037,564.83/397,247.32
  6. Step 6: Final answer
    x = 196,389.09

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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.