Home / 215,356.43-323,100.84-110,249.21

Finding the Fourth Proportional to 215,356.43, 323,100.84 and 110,249.21

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Solution

The fourth proportional to 215,356.43, 323,100.84 and 110,249.21 is: 165,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,356.43 : 323,100.84 = 110,249.21 : x
  2. Step 2: Convert to fraction form
    215,356.43/323,100.84 = 110,249.21/x
  3. Step 3: Cross multiply
    215,356.43x = 323,100.84 × 110,249.21
  4. Step 4: Simplify right side
    215,356.43x = 35,621,612,360.34
  5. Step 5: Solve for x
    x = 35,621,612,360.34/215,356.43
  6. Step 6: Final answer
    x = 165,407.70

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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.