Home / 206,309.05-284,706.25-115,665.04

Finding the Fourth Proportional to 206,309.05, 284,706.25 and 115,665.04

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Solution

The fourth proportional to 206,309.05, 284,706.25 and 115,665.04 is: 159,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,309.05 : 284,706.25 = 115,665.04 : x
  2. Step 2: Convert to fraction form
    206,309.05/284,706.25 = 115,665.04/x
  3. Step 3: Cross multiply
    206,309.05x = 284,706.25 × 115,665.04
  4. Step 4: Simplify right side
    206,309.05x = 32,930,559,794.50
  5. Step 5: Solve for x
    x = 32,930,559,794.50/206,309.05
  6. Step 6: Final answer
    x = 159,617.62

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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.