Home / 449,488.10-674,258.07-169,007.78

Finding the Fourth Proportional to 449,488.10, 674,258.07 and 169,007.78

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Solution

The fourth proportional to 449,488.10, 674,258.07 and 169,007.78 is: 253,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,488.10 : 674,258.07 = 169,007.78 : x
  2. Step 2: Convert to fraction form
    449,488.10/674,258.07 = 169,007.78/x
  3. Step 3: Cross multiply
    449,488.10x = 674,258.07 × 169,007.78
  4. Step 4: Simplify right side
    449,488.10x = 113,954,861,877.21
  5. Step 5: Solve for x
    x = 113,954,861,877.21/449,488.10
  6. Step 6: Final answer
    x = 253,521.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.