Home / 422,127.37-582,529.94-231,140.76

Finding the Fourth Proportional to 422,127.37, 582,529.94 and 231,140.76

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Solution

The fourth proportional to 422,127.37, 582,529.94 and 231,140.76 is: 318,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,127.37 : 582,529.94 = 231,140.76 : x
  2. Step 2: Convert to fraction form
    422,127.37/582,529.94 = 231,140.76/x
  3. Step 3: Cross multiply
    422,127.37x = 582,529.94 × 231,140.76
  4. Step 4: Simplify right side
    422,127.37x = 134,646,410,141.71
  5. Step 5: Solve for x
    x = 134,646,410,141.71/422,127.37
  6. Step 6: Final answer
    x = 318,971.05

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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.