Home / 215,060.27-322,578.05-102,817.96

Finding the Fourth Proportional to 215,060.27, 322,578.05 and 102,817.96

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Solution

The fourth proportional to 215,060.27, 322,578.05 and 102,817.96 is: 154,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,060.27 : 322,578.05 = 102,817.96 : x
  2. Step 2: Convert to fraction form
    215,060.27/322,578.05 = 102,817.96/x
  3. Step 3: Cross multiply
    215,060.27x = 322,578.05 × 102,817.96
  4. Step 4: Simplify right side
    215,060.27x = 33,166,815,721.24
  5. Step 5: Solve for x
    x = 33,166,815,721.24/215,060.27
  6. Step 6: Final answer
    x = 154,221.03

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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.