Home / 491,226.26-736,839.33-136,240.26

Finding the Fourth Proportional to 491,226.26, 736,839.33 and 136,240.26

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Solution

The fourth proportional to 491,226.26, 736,839.33 and 136,240.26 is: 204,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,226.26 : 736,839.33 = 136,240.26 : x
  2. Step 2: Convert to fraction form
    491,226.26/736,839.33 = 136,240.26/x
  3. Step 3: Cross multiply
    491,226.26x = 736,839.33 × 136,240.26
  4. Step 4: Simplify right side
    491,226.26x = 100,387,181,897.43
  5. Step 5: Solve for x
    x = 100,387,181,897.43/491,226.26
  6. Step 6: Final answer
    x = 204,360.38

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Similar ratio
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1.5x scale

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.