Home / 326,123.91-449,965.34-188,269.07

Finding the Fourth Proportional to 326,123.91, 449,965.34 and 188,269.07

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Solution

The fourth proportional to 326,123.91, 449,965.34 and 188,269.07 is: 259,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,123.91 : 449,965.34 = 188,269.07 : x
  2. Step 2: Convert to fraction form
    326,123.91/449,965.34 = 188,269.07/x
  3. Step 3: Cross multiply
    326,123.91x = 449,965.34 × 188,269.07
  4. Step 4: Simplify right side
    326,123.91x = 84,714,552,902.86
  5. Step 5: Solve for x
    x = 84,714,552,902.86/326,123.91
  6. Step 6: Final answer
    x = 259,761.86

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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.