Home / 266,481.73-367,744.05-145,623.79

Finding the Fourth Proportional to 266,481.73, 367,744.05 and 145,623.79

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Solution

The fourth proportional to 266,481.73, 367,744.05 and 145,623.79 is: 200,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,481.73 : 367,744.05 = 145,623.79 : x
  2. Step 2: Convert to fraction form
    266,481.73/367,744.05 = 145,623.79/x
  3. Step 3: Cross multiply
    266,481.73x = 367,744.05 × 145,623.79
  4. Step 4: Simplify right side
    266,481.73x = 53,552,282,770.63
  5. Step 5: Solve for x
    x = 53,552,282,770.63/266,481.73
  6. Step 6: Final answer
    x = 200,960.43

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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.