Home / 308,217.48-425,353.26-172,251.43

Finding the Fourth Proportional to 308,217.48, 425,353.26 and 172,251.43

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Solution

The fourth proportional to 308,217.48, 425,353.26 and 172,251.43 is: 237,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,217.48 : 425,353.26 = 172,251.43 : x
  2. Step 2: Convert to fraction form
    308,217.48/425,353.26 = 172,251.43/x
  3. Step 3: Cross multiply
    308,217.48x = 425,353.26 × 172,251.43
  4. Step 4: Simplify right side
    308,217.48x = 73,267,706,872.72
  5. Step 5: Solve for x
    x = 73,267,706,872.72/308,217.48
  6. Step 6: Final answer
    x = 237,714.31

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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.