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Finding the Fourth Proportional to 303,383, 418,668.72 and 169,247

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Solution

The fourth proportional to 303,383, 418,668.72 and 169,247 is: 233,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,383 : 418,668.72 = 169,247 : x
  2. Step 2: Convert to fraction form
    303,383/418,668.72 = 169,247/x
  3. Step 3: Cross multiply
    303,383x = 418,668.72 × 169,247
  4. Step 4: Simplify right side
    303,383x = 70,858,424,853.84
  5. Step 5: Solve for x
    x = 70,858,424,853.84/303,383
  6. Step 6: Final answer
    x = 233,560.96

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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.