Home / 274,949.32-379,412.10-161,750.20

Finding the Fourth Proportional to 274,949.32, 379,412.10 and 161,750.20

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Solution

The fourth proportional to 274,949.32, 379,412.10 and 161,750.20 is: 223,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,949.32 : 379,412.10 = 161,750.20 : x
  2. Step 2: Convert to fraction form
    274,949.32/379,412.10 = 161,750.20/x
  3. Step 3: Cross multiply
    274,949.32x = 379,412.10 × 161,750.20
  4. Step 4: Simplify right side
    274,949.32x = 61,369,983,057.42
  5. Step 5: Solve for x
    x = 61,369,983,057.42/274,949.32
  6. Step 6: Final answer
    x = 223,204.71

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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.