Finding the Fourth Proportional to 218,136.88, 327,195.80 and 68,373.75
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Solution
The fourth proportional to 218,136.88, 327,195.80 and 68,373.75 is: 102,557.64
Step by Step Solution
- Step 1: Write the proportion equation
218,136.88 : 327,195.80 = 68,373.75 : x - Step 2: Convert to fraction form
218,136.88/327,195.80 = 68,373.75/x - Step 3: Cross multiply
218,136.88x = 327,195.80 × 68,373.75 - Step 4: Simplify right side
218,136.88x = 22,371,603,830.25 - Step 5: Solve for x
x = 22,371,603,830.25/218,136.88 - Step 6: Final answer
x = 102,557.64
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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.