Home / 491,245.26-736,867.85-136,259.30

Finding the Fourth Proportional to 491,245.26, 736,867.85 and 136,259.30

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Solution

The fourth proportional to 491,245.26, 736,867.85 and 136,259.30 is: 204,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,245.26 : 736,867.85 = 136,259.30 : x
  2. Step 2: Convert to fraction form
    491,245.26/736,867.85 = 136,259.30/x
  3. Step 3: Cross multiply
    491,245.26x = 736,867.85 × 136,259.30
  4. Step 4: Simplify right side
    491,245.26x = 100,405,093,067.87
  5. Step 5: Solve for x
    x = 100,405,093,067.87/491,245.26
  6. Step 6: Final answer
    x = 204,388.93

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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.