Finding the Fourth Proportional to 129,832.22, 194,777.51 and 41,091.05
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Solution
The fourth proportional to 129,832.22, 194,777.51 and 41,091.05 is: 61,645.80
Step by Step Solution
- Step 1: Write the proportion equation
129,832.22 : 194,777.51 = 41,091.05 : x - Step 2: Convert to fraction form
129,832.22/194,777.51 = 41,091.05/x - Step 3: Cross multiply
129,832.22x = 194,777.51 × 41,091.05 - Step 4: Simplify right side
129,832.22x = 8,003,611,222.94 - Step 5: Solve for x
x = 8,003,611,222.94/129,832.22 - Step 6: Final answer
x = 61,645.80
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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.