Home / 275,099.17-379,628.13-154,247.38

Finding the Fourth Proportional to 275,099.17, 379,628.13 and 154,247.38

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Solution

The fourth proportional to 275,099.17, 379,628.13 and 154,247.38 is: 212,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,099.17 : 379,628.13 = 154,247.38 : x
  2. Step 2: Convert to fraction form
    275,099.17/379,628.13 = 154,247.38/x
  3. Step 3: Cross multiply
    275,099.17x = 379,628.13 × 154,247.38
  4. Step 4: Simplify right side
    275,099.17x = 58,556,644,426.80
  5. Step 5: Solve for x
    x = 58,556,644,426.80/275,099.17
  6. Step 6: Final answer
    x = 212,856.49

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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.