Finding the Fourth Proportional to 199,145.97, 298,707.99 and 80,785.53
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Solution
The fourth proportional to 199,145.97, 298,707.99 and 80,785.53 is: 121,173.85
Step by Step Solution
- Step 1: Write the proportion equation
199,145.97 : 298,707.99 = 80,785.53 : x - Step 2: Convert to fraction form
199,145.97/298,707.99 = 80,785.53/x - Step 3: Cross multiply
199,145.97x = 298,707.99 × 80,785.53 - Step 4: Simplify right side
199,145.97x = 24,131,283,287.38 - Step 5: Solve for x
x = 24,131,283,287.38/199,145.97 - Step 6: Final answer
x = 121,173.85
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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.