Home / 247,640.27-371,481.12-79,184.57

Finding the Fourth Proportional to 247,640.27, 371,481.12 and 79,184.57

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Solution

The fourth proportional to 247,640.27, 371,481.12 and 79,184.57 is: 118,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,640.27 : 371,481.12 = 79,184.57 : x
  2. Step 2: Convert to fraction form
    247,640.27/371,481.12 = 79,184.57/x
  3. Step 3: Cross multiply
    247,640.27x = 371,481.12 × 79,184.57
  4. Step 4: Simplify right side
    247,640.27x = 29,415,570,892.91
  5. Step 5: Solve for x
    x = 29,415,570,892.91/247,640.27
  6. Step 6: Final answer
    x = 118,783.47

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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.