Home / 271,581.80-374,965.62-207,805.64

Finding the Fourth Proportional to 271,581.80, 374,965.62 and 207,805.64

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Solution

The fourth proportional to 271,581.80, 374,965.62 and 207,805.64 is: 286,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,581.80 : 374,965.62 = 207,805.64 : x
  2. Step 2: Convert to fraction form
    271,581.80/374,965.62 = 207,805.64/x
  3. Step 3: Cross multiply
    271,581.80x = 374,965.62 × 207,805.64
  4. Step 4: Simplify right side
    271,581.80x = 77,919,970,642.10
  5. Step 5: Solve for x
    x = 77,919,970,642.10/271,581.80
  6. Step 6: Final answer
    x = 286,911.61

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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.