Home / 421,947.26-582,286.79-230,958.94

Finding the Fourth Proportional to 421,947.26, 582,286.79 and 230,958.94

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Solution

The fourth proportional to 421,947.26, 582,286.79 and 230,958.94 is: 318,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,947.26 : 582,286.79 = 230,958.94 : x
  2. Step 2: Convert to fraction form
    421,947.26/582,286.79 = 230,958.94/x
  3. Step 3: Cross multiply
    421,947.26x = 582,286.79 × 230,958.94
  4. Step 4: Simplify right side
    421,947.26x = 134,484,339,794.40
  5. Step 5: Solve for x
    x = 134,484,339,794.40/421,947.26
  6. Step 6: Final answer
    x = 318,723.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.