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Finding the Fourth Proportional to 422,534.09, 633,830.39 and 169,814.79

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Solution

The fourth proportional to 422,534.09, 633,830.39 and 169,814.79 is: 254,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,534.09 : 633,830.39 = 169,814.79 : x
  2. Step 2: Convert to fraction form
    422,534.09/633,830.39 = 169,814.79/x
  3. Step 3: Cross multiply
    422,534.09x = 633,830.39 × 169,814.79
  4. Step 4: Simplify right side
    422,534.09x = 107,633,773,724.39
  5. Step 5: Solve for x
    x = 107,633,773,724.39/422,534.09
  6. Step 6: Final answer
    x = 254,733.94

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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.