Home / 381,982.37-572,186.23-223,731.05

Finding the Fourth Proportional to 381,982.37, 572,186.23 and 223,731.05

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Solution

The fourth proportional to 381,982.37, 572,186.23 and 223,731.05 is: 335,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,982.37 : 572,186.23 = 223,731.05 : x
  2. Step 2: Convert to fraction form
    381,982.37/572,186.23 = 223,731.05/x
  3. Step 3: Cross multiply
    381,982.37x = 572,186.23 × 223,731.05
  4. Step 4: Simplify right side
    381,982.37x = 128,015,822,613.18
  5. Step 5: Solve for x
    x = 128,015,822,613.18/381,982.37
  6. Step 6: Final answer
    x = 335,135.43

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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.