Finding the Fourth Proportional to 146,361.10, 201,982.26 and 82,697.44
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Solution
The fourth proportional to 146,361.10, 201,982.26 and 82,697.44 is: 114,124.69
Step by Step Solution
- Step 1: Write the proportion equation
146,361.10 : 201,982.26 = 82,697.44 : x - Step 2: Convert to fraction form
146,361.10/201,982.26 = 82,697.44/x - Step 3: Cross multiply
146,361.10x = 201,982.26 × 82,697.44 - Step 4: Simplify right side
146,361.10x = 16,703,415,827.41 - Step 5: Solve for x
x = 16,703,415,827.41/146,361.10 - Step 6: Final answer
x = 114,124.69
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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.