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Finding the Fourth Proportional to 437,589, 603,872.82 and 236,385

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Solution

The fourth proportional to 437,589, 603,872.82 and 236,385 is: 326,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,589 : 603,872.82 = 236,385 : x
  2. Step 2: Convert to fraction form
    437,589/603,872.82 = 236,385/x
  3. Step 3: Cross multiply
    437,589x = 603,872.82 × 236,385
  4. Step 4: Simplify right side
    437,589x = 142,746,476,555.70
  5. Step 5: Solve for x
    x = 142,746,476,555.70/437,589
  6. Step 6: Final answer
    x = 326,211.30

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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.