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Finding the Fourth Proportional to 206,370.72, 309,093.84 and 179,370.72

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Solution

The fourth proportional to 206,370.72, 309,093.84 and 179,370.72 is: 268,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,370.72 : 309,093.84 = 179,370.72 : x
  2. Step 2: Convert to fraction form
    206,370.72/309,093.84 = 179,370.72/x
  3. Step 3: Cross multiply
    206,370.72x = 309,093.84 × 179,370.72
  4. Step 4: Simplify right side
    206,370.72x = 55,442,384,628.36
  5. Step 5: Solve for x
    x = 55,442,384,628.36/206,370.72
  6. Step 6: Final answer
    x = 268,654.32

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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.