Home / 276,896.91-382,119.48-162,243.30

Finding the Fourth Proportional to 276,896.91, 382,119.48 and 162,243.30

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Solution

The fourth proportional to 276,896.91, 382,119.48 and 162,243.30 is: 223,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,896.91 : 382,119.48 = 162,243.30 : x
  2. Step 2: Convert to fraction form
    276,896.91/382,119.48 = 162,243.30/x
  3. Step 3: Cross multiply
    276,896.91x = 382,119.48 × 162,243.30
  4. Step 4: Simplify right side
    276,896.91x = 61,996,325,429.48
  5. Step 5: Solve for x
    x = 61,996,325,429.48/276,896.91
  6. Step 6: Final answer
    x = 223,896.78

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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.