Home / 381,280.72-571,820.85-181,203.04

Finding the Fourth Proportional to 381,280.72, 571,820.85 and 181,203.04

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Solution

The fourth proportional to 381,280.72, 571,820.85 and 181,203.04 is: 271,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,280.72 : 571,820.85 = 181,203.04 : x
  2. Step 2: Convert to fraction form
    381,280.72/571,820.85 = 181,203.04/x
  3. Step 3: Cross multiply
    381,280.72x = 571,820.85 × 181,203.04
  4. Step 4: Simplify right side
    381,280.72x = 103,615,676,355.38
  5. Step 5: Solve for x
    x = 103,615,676,355.38/381,280.72
  6. Step 6: Final answer
    x = 271,756.93

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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.