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Finding the Fourth Proportional to 425,791.78, 587,565.78 and 244,376.02

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Solution

The fourth proportional to 425,791.78, 587,565.78 and 244,376.02 is: 337,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,791.78 : 587,565.78 = 244,376.02 : x
  2. Step 2: Convert to fraction form
    425,791.78/587,565.78 = 244,376.02/x
  3. Step 3: Cross multiply
    425,791.78x = 587,565.78 × 244,376.02
  4. Step 4: Simplify right side
    425,791.78x = 143,586,986,804.60
  5. Step 5: Solve for x
    x = 143,586,986,804.60/425,791.78
  6. Step 6: Final answer
    x = 337,223.48

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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.