Home / 449,767.05-674,551.20-129,849.42

Finding the Fourth Proportional to 449,767.05, 674,551.20 and 129,849.42

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Solution

The fourth proportional to 449,767.05, 674,551.20 and 129,849.42 is: 194,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,767.05 : 674,551.20 = 129,849.42 : x
  2. Step 2: Convert to fraction form
    449,767.05/674,551.20 = 129,849.42/x
  3. Step 3: Cross multiply
    449,767.05x = 674,551.20 × 129,849.42
  4. Step 4: Simplify right side
    449,767.05x = 87,590,082,080.30
  5. Step 5: Solve for x
    x = 87,590,082,080.30/449,767.05
  6. Step 6: Final answer
    x = 194,745.44

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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.