Home / 272,733.38-409,144.41-80,627.30

Finding the Fourth Proportional to 272,733.38, 409,144.41 and 80,627.30

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Solution

The fourth proportional to 272,733.38, 409,144.41 and 80,627.30 is: 120,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,733.38 : 409,144.41 = 80,627.30 : x
  2. Step 2: Convert to fraction form
    272,733.38/409,144.41 = 80,627.30/x
  3. Step 3: Cross multiply
    272,733.38x = 409,144.41 × 80,627.30
  4. Step 4: Simplify right side
    272,733.38x = 32,988,207,042.67
  5. Step 5: Solve for x
    x = 32,988,207,042.67/272,733.38
  6. Step 6: Final answer
    x = 120,954.05

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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.