Home / 320,794.67-442,690.03-177,546.17

Finding the Fourth Proportional to 320,794.67, 442,690.03 and 177,546.17

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Solution

The fourth proportional to 320,794.67, 442,690.03 and 177,546.17 is: 245,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,794.67 : 442,690.03 = 177,546.17 : x
  2. Step 2: Convert to fraction form
    320,794.67/442,690.03 = 177,546.17/x
  3. Step 3: Cross multiply
    320,794.67x = 442,690.03 × 177,546.17
  4. Step 4: Simplify right side
    320,794.67x = 78,597,919,323.69
  5. Step 5: Solve for x
    x = 78,597,919,323.69/320,794.67
  6. Step 6: Final answer
    x = 245,010.05

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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.