Home / 206,598.28-309,233.09-106,622.31

Finding the Fourth Proportional to 206,598.28, 309,233.09 and 106,622.31

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Solution

The fourth proportional to 206,598.28, 309,233.09 and 106,622.31 is: 159,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,598.28 : 309,233.09 = 106,622.31 : x
  2. Step 2: Convert to fraction form
    206,598.28/309,233.09 = 106,622.31/x
  3. Step 3: Cross multiply
    206,598.28x = 309,233.09 × 106,622.31
  4. Step 4: Simplify right side
    206,598.28x = 32,971,146,070.98
  5. Step 5: Solve for x
    x = 32,971,146,070.98/206,598.28
  6. Step 6: Final answer
    x = 159,590.61

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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.