Finding the Fourth Proportional to 218,135.88, 327,194.30 and 68,372.75
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Solution
The fourth proportional to 218,135.88, 327,194.30 and 68,372.75 is: 102,556.15
Step by Step Solution
- Step 1: Write the proportion equation
218,135.88 : 327,194.30 = 68,372.75 : x - Step 2: Convert to fraction form
218,135.88/327,194.30 = 68,372.75/x - Step 3: Cross multiply
218,135.88x = 327,194.30 × 68,372.75 - Step 4: Simplify right side
218,135.88x = 22,371,175,064.24 - Step 5: Solve for x
x = 22,371,175,064.24/218,135.88 - Step 6: Final answer
x = 102,556.15
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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.