Home / 325,385.93-449,086.32-223,327.55

Finding the Fourth Proportional to 325,385.93, 449,086.32 and 223,327.55

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Solution

The fourth proportional to 325,385.93, 449,086.32 and 223,327.55 is: 308,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,385.93 : 449,086.32 = 223,327.55 : x
  2. Step 2: Convert to fraction form
    325,385.93/449,086.32 = 223,327.55/x
  3. Step 3: Cross multiply
    325,385.93x = 449,086.32 × 223,327.55
  4. Step 4: Simplify right side
    325,385.93x = 100,293,345,338.68
  5. Step 5: Solve for x
    x = 100,293,345,338.68/325,385.93
  6. Step 6: Final answer
    x = 308,228.90

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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.