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Finding the Fourth Proportional to 422,309.34, 633,387.47 and 169,579.62

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Solution

The fourth proportional to 422,309.34, 633,387.47 and 169,579.62 is: 254,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,309.34 : 633,387.47 = 169,579.62 : x
  2. Step 2: Convert to fraction form
    422,309.34/633,387.47 = 169,579.62/x
  3. Step 3: Cross multiply
    422,309.34x = 633,387.47 × 169,579.62
  4. Step 4: Simplify right side
    422,309.34x = 107,409,605,627.46
  5. Step 5: Solve for x
    x = 107,409,605,627.46/422,309.34
  6. Step 6: Final answer
    x = 254,338.69

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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.