Finding the Fourth Proportional to 206,087.28, 309,136.99 and 175,911.26
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Solution
The fourth proportional to 206,087.28, 309,136.99 and 175,911.26 is: 263,872.07
Step by Step Solution
- Step 1: Write the proportion equation
206,087.28 : 309,136.99 = 175,911.26 : x - Step 2: Convert to fraction form
206,087.28/309,136.99 = 175,911.26/x - Step 3: Cross multiply
206,087.28x = 309,136.99 × 175,911.26 - Step 4: Simplify right side
206,087.28x = 54,380,677,090.44 - Step 5: Solve for x
x = 54,380,677,090.44/206,087.28 - Step 6: Final answer
x = 263,872.07
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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.