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Finding the Fourth Proportional to 425,609.56, 587,285.94 and 244,329.40

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Solution

The fourth proportional to 425,609.56, 587,285.94 and 244,329.40 is: 337,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,609.56 : 587,285.94 = 244,329.40 : x
  2. Step 2: Convert to fraction form
    425,609.56/587,285.94 = 244,329.40/x
  3. Step 3: Cross multiply
    425,609.56x = 587,285.94 × 244,329.40
  4. Step 4: Simplify right side
    425,609.56x = 143,491,221,348.64
  5. Step 5: Solve for x
    x = 143,491,221,348.64/425,609.56
  6. Step 6: Final answer
    x = 337,142.85

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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.