Home / 486,189.36-729,284.04-131,203.38

Finding the Fourth Proportional to 486,189.36, 729,284.04 and 131,203.38

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Solution

The fourth proportional to 486,189.36, 729,284.04 and 131,203.38 is: 196,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,189.36 : 729,284.04 = 131,203.38 : x
  2. Step 2: Convert to fraction form
    486,189.36/729,284.04 = 131,203.38/x
  3. Step 3: Cross multiply
    486,189.36x = 729,284.04 × 131,203.38
  4. Step 4: Simplify right side
    486,189.36x = 95,684,531,028.06
  5. Step 5: Solve for x
    x = 95,684,531,028.06/486,189.36
  6. Step 6: Final answer
    x = 196,805.07

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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.