Home / 382,067.35-527,264.81-209,982.21

Finding the Fourth Proportional to 382,067.35, 527,264.81 and 209,982.21

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Solution

The fourth proportional to 382,067.35, 527,264.81 and 209,982.21 is: 289,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,067.35 : 527,264.81 = 209,982.21 : x
  2. Step 2: Convert to fraction form
    382,067.35/527,264.81 = 209,982.21/x
  3. Step 3: Cross multiply
    382,067.35x = 527,264.81 × 209,982.21
  4. Step 4: Simplify right side
    382,067.35x = 110,716,227,819.31
  5. Step 5: Solve for x
    x = 110,716,227,819.31/382,067.35
  6. Step 6: Final answer
    x = 289,781.97

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1.5x scale

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.