Home / 418,089.72-576,976.30-227,116.02

Finding the Fourth Proportional to 418,089.72, 576,976.30 and 227,116.02

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Solution

The fourth proportional to 418,089.72, 576,976.30 and 227,116.02 is: 313,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,089.72 : 576,976.30 = 227,116.02 : x
  2. Step 2: Convert to fraction form
    418,089.72/576,976.30 = 227,116.02/x
  3. Step 3: Cross multiply
    418,089.72x = 576,976.30 × 227,116.02
  4. Step 4: Simplify right side
    418,089.72x = 131,040,560,890.33
  5. Step 5: Solve for x
    x = 131,040,560,890.33/418,089.72
  6. Step 6: Final answer
    x = 313,426.89

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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.