Home / 446,208.11-669,578.10-161,920.85

Finding the Fourth Proportional to 446,208.11, 669,578.10 and 161,920.85

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Solution

The fourth proportional to 446,208.11, 669,578.10 and 161,920.85 is: 242,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,208.11 : 669,578.10 = 161,920.85 : x
  2. Step 2: Convert to fraction form
    446,208.11/669,578.10 = 161,920.85/x
  3. Step 3: Cross multiply
    446,208.11x = 669,578.10 × 161,920.85
  4. Step 4: Simplify right side
    446,208.11x = 108,418,651,745.49
  5. Step 5: Solve for x
    x = 108,418,651,745.49/446,208.11
  6. Step 6: Final answer
    x = 242,977.77

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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.