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Finding the Fourth Proportional to 206,337.56, 309,506.44 and 136,200.48

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Solution

The fourth proportional to 206,337.56, 309,506.44 and 136,200.48 is: 204,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,337.56 : 309,506.44 = 136,200.48 : x
  2. Step 2: Convert to fraction form
    206,337.56/309,506.44 = 136,200.48/x
  3. Step 3: Cross multiply
    206,337.56x = 309,506.44 × 136,200.48
  4. Step 4: Simplify right side
    206,337.56x = 42,154,925,691.09
  5. Step 5: Solve for x
    x = 42,154,925,691.09/206,337.56
  6. Step 6: Final answer
    x = 204,300.79

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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.