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Finding the Fourth Proportional to 439,227, 659,089.68 and 202,569.84

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Solution

The fourth proportional to 439,227, 659,089.68 and 202,569.84 is: 303,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,227 : 659,089.68 = 202,569.84 : x
  2. Step 2: Convert to fraction form
    439,227/659,089.68 = 202,569.84/x
  3. Step 3: Cross multiply
    439,227x = 659,089.68 × 202,569.84
  4. Step 4: Simplify right side
    439,227x = 133,511,691,023.25
  5. Step 5: Solve for x
    x = 133,511,691,023.25/439,227
  6. Step 6: Final answer
    x = 303,969.68

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1.5x scale

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.