Home / 205,002.72-307,481.22-55,257.93

Finding the Fourth Proportional to 205,002.72, 307,481.22 and 55,257.93

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Solution

The fourth proportional to 205,002.72, 307,481.22 and 55,257.93 is: 82,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,002.72 : 307,481.22 = 55,257.93 : x
  2. Step 2: Convert to fraction form
    205,002.72/307,481.22 = 55,257.93/x
  3. Step 3: Cross multiply
    205,002.72x = 307,481.22 × 55,257.93
  4. Step 4: Simplify right side
    205,002.72x = 16,990,775,731.07
  5. Step 5: Solve for x
    x = 16,990,775,731.07/205,002.72
  6. Step 6: Final answer
    x = 82,880.73

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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.