Home / 253,226.38-379,664.61-111,003.34

Finding the Fourth Proportional to 253,226.38, 379,664.61 and 111,003.34

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Solution

The fourth proportional to 253,226.38, 379,664.61 and 111,003.34 is: 166,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,226.38 : 379,664.61 = 111,003.34 : x
  2. Step 2: Convert to fraction form
    253,226.38/379,664.61 = 111,003.34/x
  3. Step 3: Cross multiply
    253,226.38x = 379,664.61 × 111,003.34
  4. Step 4: Simplify right side
    253,226.38x = 42,144,039,789.80
  5. Step 5: Solve for x
    x = 42,144,039,789.80/253,226.38
  6. Step 6: Final answer
    x = 166,428.32

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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.