Home / 215,327.70-322,226.10-187,552.80

Finding the Fourth Proportional to 215,327.70, 322,226.10 and 187,552.80

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Solution

The fourth proportional to 215,327.70, 322,226.10 and 187,552.80 is: 280,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,327.70 : 322,226.10 = 187,552.80 : x
  2. Step 2: Convert to fraction form
    215,327.70/322,226.10 = 187,552.80/x
  3. Step 3: Cross multiply
    215,327.70x = 322,226.10 × 187,552.80
  4. Step 4: Simplify right side
    215,327.70x = 60,434,407,288.08
  5. Step 5: Solve for x
    x = 60,434,407,288.08/215,327.70
  6. Step 6: Final answer
    x = 280,662.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.