Home / 320,464.92-442,244.42-177,234.60

Finding the Fourth Proportional to 320,464.92, 442,244.42 and 177,234.60

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Solution

The fourth proportional to 320,464.92, 442,244.42 and 177,234.60 is: 244,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,464.92 : 442,244.42 = 177,234.60 : x
  2. Step 2: Convert to fraction form
    320,464.92/442,244.42 = 177,234.60/x
  3. Step 3: Cross multiply
    320,464.92x = 442,244.42 × 177,234.60
  4. Step 4: Simplify right side
    320,464.92x = 78,381,012,880.93
  5. Step 5: Solve for x
    x = 78,381,012,880.93/320,464.92
  6. Step 6: Final answer
    x = 244,585.31

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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.