Home / 322,979.66-445,250.01-227,189.06

Finding the Fourth Proportional to 322,979.66, 445,250.01 and 227,189.06

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Solution

The fourth proportional to 322,979.66, 445,250.01 and 227,189.06 is: 313,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,979.66 : 445,250.01 = 227,189.06 : x
  2. Step 2: Convert to fraction form
    322,979.66/445,250.01 = 227,189.06/x
  3. Step 3: Cross multiply
    322,979.66x = 445,250.01 × 227,189.06
  4. Step 4: Simplify right side
    322,979.66x = 101,155,931,236.89
  5. Step 5: Solve for x
    x = 101,155,931,236.89/322,979.66
  6. Step 6: Final answer
    x = 313,195.98

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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.