Home / 320,348.89-442,063.79-177,100.39

Finding the Fourth Proportional to 320,348.89, 442,063.79 and 177,100.39

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Solution

The fourth proportional to 320,348.89, 442,063.79 and 177,100.39 is: 244,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,348.89 : 442,063.79 = 177,100.39 : x
  2. Step 2: Convert to fraction form
    320,348.89/442,063.79 = 177,100.39/x
  3. Step 3: Cross multiply
    320,348.89x = 442,063.79 × 177,100.39
  4. Step 4: Simplify right side
    320,348.89x = 78,289,667,403.56
  5. Step 5: Solve for x
    x = 78,289,667,403.56/320,348.89
  6. Step 6: Final answer
    x = 244,388.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.