Home / 853,231.98-1,280,124.66-254,198.28

Finding the Fourth Proportional to 853,231.98, 1,280,124.66 and 254,198.28

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Solution

The fourth proportional to 853,231.98, 1,280,124.66 and 254,198.28 is: 381,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,231.98 : 1,280,124.66 = 254,198.28 : x
  2. Step 2: Convert to fraction form
    853,231.98/1,280,124.66 = 254,198.28/x
  3. Step 3: Cross multiply
    853,231.98x = 1,280,124.66 × 254,198.28
  4. Step 4: Simplify right side
    853,231.98x = 325,405,486,757.59
  5. Step 5: Solve for x
    x = 325,405,486,757.59/853,231.98
  6. Step 6: Final answer
    x = 381,379.85

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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.