Finding the Fourth Proportional to 146,548.13, 202,236.44 and 82,884.56
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Solution
The fourth proportional to 146,548.13, 202,236.44 and 82,884.56 is: 114,380.70
Step by Step Solution
- Step 1: Write the proportion equation
146,548.13 : 202,236.44 = 82,884.56 : x - Step 2: Convert to fraction form
146,548.13/202,236.44 = 82,884.56/x - Step 3: Cross multiply
146,548.13x = 202,236.44 × 82,884.56 - Step 4: Simplify right side
146,548.13x = 16,762,276,919.76 - Step 5: Solve for x
x = 16,762,276,919.76/146,548.13 - Step 6: Final answer
x = 114,380.70
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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.