Home / 339,854.06-509,781.06-161,821.33

Finding the Fourth Proportional to 339,854.06, 509,781.06 and 161,821.33

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Solution

The fourth proportional to 339,854.06, 509,781.06 and 161,821.33 is: 242,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,854.06 : 509,781.06 = 161,821.33 : x
  2. Step 2: Convert to fraction form
    339,854.06/509,781.06 = 161,821.33/x
  3. Step 3: Cross multiply
    339,854.06x = 509,781.06 × 161,821.33
  4. Step 4: Simplify right side
    339,854.06x = 82,493,447,863.56
  5. Step 5: Solve for x
    x = 82,493,447,863.56/339,854.06
  6. Step 6: Final answer
    x = 242,731.98

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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.