Home / 338,581.82-466,860.29-215,910.26

Finding the Fourth Proportional to 338,581.82, 466,860.29 and 215,910.26

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Solution

The fourth proportional to 338,581.82, 466,860.29 and 215,910.26 is: 297,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,581.82 : 466,860.29 = 215,910.26 : x
  2. Step 2: Convert to fraction form
    338,581.82/466,860.29 = 215,910.26/x
  3. Step 3: Cross multiply
    338,581.82x = 466,860.29 × 215,910.26
  4. Step 4: Simplify right side
    338,581.82x = 100,799,926,685.18
  5. Step 5: Solve for x
    x = 100,799,926,685.18/338,581.82
  6. Step 6: Final answer
    x = 297,712.16

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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.