Home / 451,436.13-677,195.82-163,319.85

Finding the Fourth Proportional to 451,436.13, 677,195.82 and 163,319.85

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Solution

The fourth proportional to 451,436.13, 677,195.82 and 163,319.85 is: 244,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,436.13 : 677,195.82 = 163,319.85 : x
  2. Step 2: Convert to fraction form
    451,436.13/677,195.82 = 163,319.85/x
  3. Step 3: Cross multiply
    451,436.13x = 677,195.82 × 163,319.85
  4. Step 4: Simplify right side
    451,436.13x = 110,599,519,743.03
  5. Step 5: Solve for x
    x = 110,599,519,743.03/451,436.13
  6. Step 6: Final answer
    x = 244,994.83

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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.