Home / 486,049.23-729,071.82-131,099.13

Finding the Fourth Proportional to 486,049.23, 729,071.82 and 131,099.13

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Solution

The fourth proportional to 486,049.23, 729,071.82 and 131,099.13 is: 196,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,049.23 : 729,071.82 = 131,099.13 : x
  2. Step 2: Convert to fraction form
    486,049.23/729,071.82 = 131,099.13/x
  3. Step 3: Cross multiply
    486,049.23x = 729,071.82 × 131,099.13
  4. Step 4: Simplify right side
    486,049.23x = 95,580,681,309.52
  5. Step 5: Solve for x
    x = 95,580,681,309.52/486,049.23
  6. Step 6: Final answer
    x = 196,648.15

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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.