Home / 299,769.88-447,467.96-261,935.52

Finding the Fourth Proportional to 299,769.88, 447,467.96 and 261,935.52

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Solution

The fourth proportional to 299,769.88, 447,467.96 and 261,935.52 is: 390,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,769.88 : 447,467.96 = 261,935.52 : x
  2. Step 2: Convert to fraction form
    299,769.88/447,467.96 = 261,935.52/x
  3. Step 3: Cross multiply
    299,769.88x = 447,467.96 × 261,935.52
  4. Step 4: Simplify right side
    299,769.88x = 117,207,752,785.94
  5. Step 5: Solve for x
    x = 117,207,752,785.94/299,769.88
  6. Step 6: Final answer
    x = 390,992.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.