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Finding the Fourth Proportional to 422,308.26, 633,491.96 and 169,588.73

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Solution

The fourth proportional to 422,308.26, 633,491.96 and 169,588.73 is: 254,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,308.26 : 633,491.96 = 169,588.73 : x
  2. Step 2: Convert to fraction form
    422,308.26/633,491.96 = 169,588.73/x
  3. Step 3: Cross multiply
    422,308.26x = 633,491.96 × 169,588.73
  4. Step 4: Simplify right side
    422,308.26x = 107,433,097,697.40
  5. Step 5: Solve for x
    x = 107,433,097,697.40/422,308.26
  6. Step 6: Final answer
    x = 254,394.97

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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.