Finding the Fourth Proportional to 264,849.97, 365,491.15 and 143,991.26
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Solution
The fourth proportional to 264,849.97, 365,491.15 and 143,991.26 is: 198,706.95
Step by Step Solution
- Step 1: Write the proportion equation
264,849.97 : 365,491.15 = 143,991.26 : x - Step 2: Convert to fraction form
264,849.97/365,491.15 = 143,991.26/x - Step 3: Cross multiply
264,849.97x = 365,491.15 × 143,991.26 - Step 4: Simplify right side
264,849.97x = 52,627,530,079.02 - Step 5: Solve for x
x = 52,627,530,079.02/264,849.97 - Step 6: Final answer
x = 198,706.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.