Finding the Fourth Proportional to 231,181.97, 317,805.99 and 198,797.96
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Solution
The fourth proportional to 231,181.97, 317,805.99 and 198,797.96 is: 273,287.68
Step by Step Solution
- Step 1: Write the proportion equation
231,181.97 : 317,805.99 = 198,797.96 : x - Step 2: Convert to fraction form
231,181.97/317,805.99 = 198,797.96/x - Step 3: Cross multiply
231,181.97x = 317,805.99 × 198,797.96 - Step 4: Simplify right side
231,181.97x = 63,179,183,282.30 - Step 5: Solve for x
x = 63,179,183,282.30/231,181.97 - Step 6: Final answer
x = 273,287.68
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.