Finding the Fourth Proportional to 129,759.36, 194,587.60 and 44,348.96
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Solution
The fourth proportional to 129,759.36, 194,587.60 and 44,348.96 is: 66,505.86
Step by Step Solution
- Step 1: Write the proportion equation
129,759.36 : 194,587.60 = 44,348.96 : x - Step 2: Convert to fraction form
129,759.36/194,587.60 = 44,348.96/x - Step 3: Cross multiply
129,759.36x = 194,587.60 × 44,348.96 - Step 4: Simplify right side
129,759.36x = 8,629,757,688.90 - Step 5: Solve for x
x = 8,629,757,688.90/129,759.36 - Step 6: Final answer
x = 66,505.86
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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.