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Finding the Fourth Proportional to 422,227.91, 633,383.45 and 122,711.11

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Solution

The fourth proportional to 422,227.91, 633,383.45 and 122,711.11 is: 184,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,227.91 : 633,383.45 = 122,711.11 : x
  2. Step 2: Convert to fraction form
    422,227.91/633,383.45 = 122,711.11/x
  3. Step 3: Cross multiply
    422,227.91x = 633,383.45 × 122,711.11
  4. Step 4: Simplify right side
    422,227.91x = 77,723,184,468.28
  5. Step 5: Solve for x
    x = 77,723,184,468.28/422,227.91
  6. Step 6: Final answer
    x = 184,078.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.