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Finding the Fourth Proportional to 219,682.91, 329,524.38 and 79,408.73

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Solution

The fourth proportional to 219,682.91, 329,524.38 and 79,408.73 is: 119,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,682.91 : 329,524.38 = 79,408.73 : x
  2. Step 2: Convert to fraction form
    219,682.91/329,524.38 = 79,408.73/x
  3. Step 3: Cross multiply
    219,682.91x = 329,524.38 × 79,408.73
  4. Step 4: Simplify right side
    219,682.91x = 26,167,110,872.22
  5. Step 5: Solve for x
    x = 26,167,110,872.22/219,682.91
  6. Step 6: Final answer
    x = 119,113.10

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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.