Home / 422,355.99-582,865.84-231,369.40

Finding the Fourth Proportional to 422,355.99, 582,865.84 and 231,369.40

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Solution

The fourth proportional to 422,355.99, 582,865.84 and 231,369.40 is: 319,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,355.99 : 582,865.84 = 231,369.40 : x
  2. Step 2: Convert to fraction form
    422,355.99/582,865.84 = 231,369.40/x
  3. Step 3: Cross multiply
    422,355.99x = 582,865.84 × 231,369.40
  4. Step 4: Simplify right side
    422,355.99x = 134,857,319,681.30
  5. Step 5: Solve for x
    x = 134,857,319,681.30/422,355.99
  6. Step 6: Final answer
    x = 319,297.76

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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.