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Finding the Fourth Proportional to 250,863.62, 346,187.31 and 141,966.86

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Solution

The fourth proportional to 250,863.62, 346,187.31 and 141,966.86 is: 195,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,863.62 : 346,187.31 = 141,966.86 : x
  2. Step 2: Convert to fraction form
    250,863.62/346,187.31 = 141,966.86/x
  3. Step 3: Cross multiply
    250,863.62x = 346,187.31 × 141,966.86
  4. Step 4: Simplify right side
    250,863.62x = 49,147,125,372.55
  5. Step 5: Solve for x
    x = 49,147,125,372.55/250,863.62
  6. Step 6: Final answer
    x = 195,911.73

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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.