Home / 449,604.59-674,739.03-212,947.27

Finding the Fourth Proportional to 449,604.59, 674,739.03 and 212,947.27

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Solution

The fourth proportional to 449,604.59, 674,739.03 and 212,947.27 is: 319,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,604.59 : 674,739.03 = 212,947.27 : x
  2. Step 2: Convert to fraction form
    449,604.59/674,739.03 = 212,947.27/x
  3. Step 3: Cross multiply
    449,604.59x = 674,739.03 × 212,947.27
  4. Step 4: Simplify right side
    449,604.59x = 143,683,832,714.10
  5. Step 5: Solve for x
    x = 143,683,832,714.10/449,604.59
  6. Step 6: Final answer
    x = 319,578.22

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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.