Home / 247,961.22-371,976.86-79,442.13

Finding the Fourth Proportional to 247,961.22, 371,976.86 and 79,442.13

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Solution

The fourth proportional to 247,961.22, 371,976.86 and 79,442.13 is: 119,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,961.22 : 371,976.86 = 79,442.13 : x
  2. Step 2: Convert to fraction form
    247,961.22/371,976.86 = 79,442.13/x
  3. Step 3: Cross multiply
    247,961.22x = 371,976.86 × 79,442.13
  4. Step 4: Simplify right side
    247,961.22x = 29,550,633,570.26
  5. Step 5: Solve for x
    x = 29,550,633,570.26/247,961.22
  6. Step 6: Final answer
    x = 119,174.42

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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.