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Finding the Fourth Proportional to 331,632.81, 457,523.37 and 204,086.97

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Solution

The fourth proportional to 331,632.81, 457,523.37 and 204,086.97 is: 281,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,632.81 : 457,523.37 = 204,086.97 : x
  2. Step 2: Convert to fraction form
    331,632.81/457,523.37 = 204,086.97/x
  3. Step 3: Cross multiply
    331,632.81x = 457,523.37 × 204,086.97
  4. Step 4: Simplify right side
    331,632.81x = 93,374,558,287.49
  5. Step 5: Solve for x
    x = 93,374,558,287.49/331,632.81
  6. Step 6: Final answer
    x = 281,560.07

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1.5x scale

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.