Home / 422,337.87-582,826.37-231,358.05

Finding the Fourth Proportional to 422,337.87, 582,826.37 and 231,358.05

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Solution

The fourth proportional to 422,337.87, 582,826.37 and 231,358.05 is: 319,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,337.87 : 582,826.37 = 231,358.05 : x
  2. Step 2: Convert to fraction form
    422,337.87/582,826.37 = 231,358.05/x
  3. Step 3: Cross multiply
    422,337.87x = 582,826.37 × 231,358.05
  4. Step 4: Simplify right side
    422,337.87x = 134,841,571,294.99
  5. Step 5: Solve for x
    x = 134,841,571,294.99/422,337.87
  6. Step 6: Final answer
    x = 319,274.17

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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.