Home / 274,545.57-379,010.46-172,627.09

Finding the Fourth Proportional to 274,545.57, 379,010.46 and 172,627.09

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Solution

The fourth proportional to 274,545.57, 379,010.46 and 172,627.09 is: 238,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,545.57 : 379,010.46 = 172,627.09 : x
  2. Step 2: Convert to fraction form
    274,545.57/379,010.46 = 172,627.09/x
  3. Step 3: Cross multiply
    274,545.57x = 379,010.46 × 172,627.09
  4. Step 4: Simplify right side
    274,545.57x = 65,427,472,789.36
  5. Step 5: Solve for x
    x = 65,427,472,789.36/274,545.57
  6. Step 6: Final answer
    x = 238,311.89

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1.5x scale

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.