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Finding the Fourth Proportional to 643,502.28, 965,507.66 and 244,249.03

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Solution

The fourth proportional to 643,502.28, 965,507.66 and 244,249.03 is: 366,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,502.28 : 965,507.66 = 244,249.03 : x
  2. Step 2: Convert to fraction form
    643,502.28/965,507.66 = 244,249.03/x
  3. Step 3: Cross multiply
    643,502.28x = 965,507.66 × 244,249.03
  4. Step 4: Simplify right side
    643,502.28x = 235,824,307,609.42
  5. Step 5: Solve for x
    x = 235,824,307,609.42/643,502.28
  6. Step 6: Final answer
    x = 366,470.04

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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.