Home / 320,327.62-442,018.29-177,064.54

Finding the Fourth Proportional to 320,327.62, 442,018.29 and 177,064.54

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Solution

The fourth proportional to 320,327.62, 442,018.29 and 177,064.54 is: 244,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,327.62 : 442,018.29 = 177,064.54 : x
  2. Step 2: Convert to fraction form
    320,327.62/442,018.29 = 177,064.54/x
  3. Step 3: Cross multiply
    320,327.62x = 442,018.29 × 177,064.54
  4. Step 4: Simplify right side
    320,327.62x = 78,265,765,190.44
  5. Step 5: Solve for x
    x = 78,265,765,190.44/320,327.62
  6. Step 6: Final answer
    x = 244,330.37

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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.