Home / 422,881.72-583,584.78-231,883.72

Finding the Fourth Proportional to 422,881.72, 583,584.78 and 231,883.72

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Solution

The fourth proportional to 422,881.72, 583,584.78 and 231,883.72 is: 320,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,881.72 : 583,584.78 = 231,883.72 : x
  2. Step 2: Convert to fraction form
    422,881.72/583,584.78 = 231,883.72/x
  3. Step 3: Cross multiply
    422,881.72x = 583,584.78 × 231,883.72
  4. Step 4: Simplify right side
    422,881.72x = 135,323,809,721.78
  5. Step 5: Solve for x
    x = 135,323,809,721.78/422,881.72
  6. Step 6: Final answer
    x = 320,003.92

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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.