Finding the Fourth Proportional to 218,625.22, 327,197.10 and 134,438.70
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Solution
The fourth proportional to 218,625.22, 327,197.10 and 134,438.70 is: 201,202.55
Step by Step Solution
- Step 1: Write the proportion equation
218,625.22 : 327,197.10 = 134,438.70 : x - Step 2: Convert to fraction form
218,625.22/327,197.10 = 134,438.70/x - Step 3: Cross multiply
218,625.22x = 327,197.10 × 134,438.70 - Step 4: Simplify right side
218,625.22x = 43,987,952,767.77 - Step 5: Solve for x
x = 43,987,952,767.77/218,625.22 - Step 6: Final answer
x = 201,202.55
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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.