Finding the Fourth Proportional to 108,891.07, 150,261.11 and 61,135.19
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Solution
The fourth proportional to 108,891.07, 150,261.11 and 61,135.19 is: 84,361.75
Step by Step Solution
- Step 1: Write the proportion equation
108,891.07 : 150,261.11 = 61,135.19 : x - Step 2: Convert to fraction form
108,891.07/150,261.11 = 61,135.19/x - Step 3: Cross multiply
108,891.07x = 150,261.11 × 61,135.19 - Step 4: Simplify right side
108,891.07x = 9,186,241,245.22 - Step 5: Solve for x
x = 9,186,241,245.22/108,891.07 - Step 6: Final answer
x = 84,361.75
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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.