Finding the Fourth Proportional to 388,660.10, 582,872.49 and 135,893.48
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Solution
The fourth proportional to 388,660.10, 582,872.49 and 135,893.48 is: 203,799.08
Step by Step Solution
- Step 1: Write the proportion equation
388,660.10 : 582,872.49 = 135,893.48 : x - Step 2: Convert to fraction form
388,660.10/582,872.49 = 135,893.48/x - Step 3: Cross multiply
388,660.10x = 582,872.49 × 135,893.48 - Step 4: Simplify right side
388,660.10x = 79,208,568,148.00 - Step 5: Solve for x
x = 79,208,568,148.00/388,660.10 - Step 6: Final answer
x = 203,799.08
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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.