Home / 326,174.64-449,929.84-205,123.92

Finding the Fourth Proportional to 326,174.64, 449,929.84 and 205,123.92

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Solution

The fourth proportional to 326,174.64, 449,929.84 and 205,123.92 is: 282,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,174.64 : 449,929.84 = 205,123.92 : x
  2. Step 2: Convert to fraction form
    326,174.64/449,929.84 = 205,123.92/x
  3. Step 3: Cross multiply
    326,174.64x = 449,929.84 × 205,123.92
  4. Step 4: Simplify right side
    326,174.64x = 92,291,372,505.77
  5. Step 5: Solve for x
    x = 92,291,372,505.77/326,174.64
  6. Step 6: Final answer
    x = 282,950.79

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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.