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Finding the Fourth Proportional to 339,419.92, 468,391.32 and 188,517.04

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Solution

The fourth proportional to 339,419.92, 468,391.32 and 188,517.04 is: 260,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,419.92 : 468,391.32 = 188,517.04 : x
  2. Step 2: Convert to fraction form
    339,419.92/468,391.32 = 188,517.04/x
  3. Step 3: Cross multiply
    339,419.92x = 468,391.32 × 188,517.04
  4. Step 4: Simplify right side
    339,419.92x = 88,299,745,208.09
  5. Step 5: Solve for x
    x = 88,299,745,208.09/339,419.92
  6. Step 6: Final answer
    x = 260,148.98

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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.