Home / 306,789.24-423,397.74-179,456.76

Finding the Fourth Proportional to 306,789.24, 423,397.74 and 179,456.76

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Solution

The fourth proportional to 306,789.24, 423,397.74 and 179,456.76 is: 247,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,789.24 : 423,397.74 = 179,456.76 : x
  2. Step 2: Convert to fraction form
    306,789.24/423,397.74 = 179,456.76/x
  3. Step 3: Cross multiply
    306,789.24x = 423,397.74 × 179,456.76
  4. Step 4: Simplify right side
    306,789.24x = 75,981,586,611.72
  5. Step 5: Solve for x
    x = 75,981,586,611.72/306,789.24
  6. Step 6: Final answer
    x = 247,667.05

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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.