Home / 486,187.40-729,281.10-131,200.85

Finding the Fourth Proportional to 486,187.40, 729,281.10 and 131,200.85

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Solution

The fourth proportional to 486,187.40, 729,281.10 and 131,200.85 is: 196,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,187.40 : 729,281.10 = 131,200.85 : x
  2. Step 2: Convert to fraction form
    486,187.40/729,281.10 = 131,200.85/x
  3. Step 3: Cross multiply
    486,187.40x = 729,281.10 × 131,200.85
  4. Step 4: Simplify right side
    486,187.40x = 95,682,300,208.94
  5. Step 5: Solve for x
    x = 95,682,300,208.94/486,187.40
  6. Step 6: Final answer
    x = 196,801.28

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Similar ratio
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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.