Home / 449,244.65-674,077.41-221,416.07

Finding the Fourth Proportional to 449,244.65, 674,077.41 and 221,416.07

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Solution

The fourth proportional to 449,244.65, 674,077.41 and 221,416.07 is: 332,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,244.65 : 674,077.41 = 221,416.07 : x
  2. Step 2: Convert to fraction form
    449,244.65/674,077.41 = 221,416.07/x
  3. Step 3: Cross multiply
    449,244.65x = 674,077.41 × 221,416.07
  4. Step 4: Simplify right side
    449,244.65x = 149,251,568,205.71
  5. Step 5: Solve for x
    x = 149,251,568,205.71/449,244.65
  6. Step 6: Final answer
    x = 332,227.82

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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.