Home / 320,319.62-442,007.25-177,056.54

Finding the Fourth Proportional to 320,319.62, 442,007.25 and 177,056.54

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Solution

The fourth proportional to 320,319.62, 442,007.25 and 177,056.54 is: 244,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,319.62 : 442,007.25 = 177,056.54 : x
  2. Step 2: Convert to fraction form
    320,319.62/442,007.25 = 177,056.54/x
  3. Step 3: Cross multiply
    320,319.62x = 442,007.25 × 177,056.54
  4. Step 4: Simplify right side
    320,319.62x = 78,260,274,339.92
  5. Step 5: Solve for x
    x = 78,260,274,339.92/320,319.62
  6. Step 6: Final answer
    x = 244,319.33

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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.