Home / 215,008.22-322,513.04-65,249.75

Finding the Fourth Proportional to 215,008.22, 322,513.04 and 65,249.75

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Solution

The fourth proportional to 215,008.22, 322,513.04 and 65,249.75 is: 97,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,008.22 : 322,513.04 = 65,249.75 : x
  2. Step 2: Convert to fraction form
    215,008.22/322,513.04 = 65,249.75/x
  3. Step 3: Cross multiply
    215,008.22x = 322,513.04 × 65,249.75
  4. Step 4: Simplify right side
    215,008.22x = 21,043,896,201.15
  5. Step 5: Solve for x
    x = 21,043,896,201.15/215,008.22
  6. Step 6: Final answer
    x = 97,874.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.