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Finding the Fourth Proportional to 228,832.56, 343,249.20 and 95,640.12

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Solution

The fourth proportional to 228,832.56, 343,249.20 and 95,640.12 is: 143,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,832.56 : 343,249.20 = 95,640.12 : x
  2. Step 2: Convert to fraction form
    228,832.56/343,249.20 = 95,640.12/x
  3. Step 3: Cross multiply
    228,832.56x = 343,249.20 × 95,640.12
  4. Step 4: Simplify right side
    228,832.56x = 32,828,394,677.90
  5. Step 5: Solve for x
    x = 32,828,394,677.90/228,832.56
  6. Step 6: Final answer
    x = 143,460.33

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1.5x scale

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.