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Finding the Fourth Proportional to 303,805.61, 419,250.39 and 167,839.58

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Solution

The fourth proportional to 303,805.61, 419,250.39 and 167,839.58 is: 231,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,805.61 : 419,250.39 = 167,839.58 : x
  2. Step 2: Convert to fraction form
    303,805.61/419,250.39 = 167,839.58/x
  3. Step 3: Cross multiply
    303,805.61x = 419,250.39 × 167,839.58
  4. Step 4: Simplify right side
    303,805.61x = 70,366,809,372.44
  5. Step 5: Solve for x
    x = 70,366,809,372.44/303,805.61
  6. Step 6: Final answer
    x = 231,617.87

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1.5x scale

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.