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Finding the Fourth Proportional to 342,181.85, 472,169.66 and 189,199.44

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Solution

The fourth proportional to 342,181.85, 472,169.66 and 189,199.44 is: 261,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,181.85 : 472,169.66 = 189,199.44 : x
  2. Step 2: Convert to fraction form
    342,181.85/472,169.66 = 189,199.44/x
  3. Step 3: Cross multiply
    342,181.85x = 472,169.66 × 189,199.44
  4. Step 4: Simplify right side
    342,181.85x = 89,334,234,310.99
  5. Step 5: Solve for x
    x = 89,334,234,310.99/342,181.85
  6. Step 6: Final answer
    x = 261,072.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.