Home / 247,738.09-371,010.82-140,860.59

Finding the Fourth Proportional to 247,738.09, 371,010.82 and 140,860.59

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Solution

The fourth proportional to 247,738.09, 371,010.82 and 140,860.59 is: 210,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,738.09 : 371,010.82 = 140,860.59 : x
  2. Step 2: Convert to fraction form
    247,738.09/371,010.82 = 140,860.59/x
  3. Step 3: Cross multiply
    247,738.09x = 371,010.82 × 140,860.59
  4. Step 4: Simplify right side
    247,738.09x = 52,260,803,001.58
  5. Step 5: Solve for x
    x = 52,260,803,001.58/247,738.09
  6. Step 6: Final answer
    x = 210,951.83

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1.5x scale

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.