Home / 422,286.18-582,534.09-261,089.70

Finding the Fourth Proportional to 422,286.18, 582,534.09 and 261,089.70

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Solution

The fourth proportional to 422,286.18, 582,534.09 and 261,089.70 is: 360,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,286.18 : 582,534.09 = 261,089.70 : x
  2. Step 2: Convert to fraction form
    422,286.18/582,534.09 = 261,089.70/x
  3. Step 3: Cross multiply
    422,286.18x = 582,534.09 × 261,089.70
  4. Step 4: Simplify right side
    422,286.18x = 152,093,650,797.87
  5. Step 5: Solve for x
    x = 152,093,650,797.87/422,286.18
  6. Step 6: Final answer
    x = 360,167.25

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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.