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Finding the Fourth Proportional to 339,414.92, 468,384.42 and 188,512.04

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Solution

The fourth proportional to 339,414.92, 468,384.42 and 188,512.04 is: 260,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,414.92 : 468,384.42 = 188,512.04 : x
  2. Step 2: Convert to fraction form
    339,414.92/468,384.42 = 188,512.04/x
  3. Step 3: Cross multiply
    339,414.92x = 468,384.42 × 188,512.04
  4. Step 4: Simplify right side
    339,414.92x = 88,296,102,518.42
  5. Step 5: Solve for x
    x = 88,296,102,518.42/339,414.92
  6. Step 6: Final answer
    x = 260,142.08

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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.