Home / 422,138.37-582,551.08-228,546.04

Finding the Fourth Proportional to 422,138.37, 582,551.08 and 228,546.04

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Solution

The fourth proportional to 422,138.37, 582,551.08 and 228,546.04 is: 315,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,138.37 : 582,551.08 = 228,546.04 : x
  2. Step 2: Convert to fraction form
    422,138.37/582,551.08 = 228,546.04/x
  3. Step 3: Cross multiply
    422,138.37x = 582,551.08 × 228,546.04
  4. Step 4: Simplify right side
    422,138.37x = 133,139,742,431.72
  5. Step 5: Solve for x
    x = 133,139,742,431.72/422,138.37
  6. Step 6: Final answer
    x = 315,393.61

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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.