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Finding the Fourth Proportional to 219,319.22, 328,230.29 and 183,820.61

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Solution

The fourth proportional to 219,319.22, 328,230.29 and 183,820.61 is: 275,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,319.22 : 328,230.29 = 183,820.61 : x
  2. Step 2: Convert to fraction form
    219,319.22/328,230.29 = 183,820.61/x
  3. Step 3: Cross multiply
    219,319.22x = 328,230.29 × 183,820.61
  4. Step 4: Simplify right side
    219,319.22x = 60,335,493,408.40
  5. Step 5: Solve for x
    x = 60,335,493,408.40/219,319.22
  6. Step 6: Final answer
    x = 275,103.54

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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.