Finding the Fourth Proportional to 146,523.68, 202,201.44 and 82,861.28
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Solution
The fourth proportional to 146,523.68, 202,201.44 and 82,861.28 is: 114,347.87
Step by Step Solution
- Step 1: Write the proportion equation
146,523.68 : 202,201.44 = 82,861.28 : x - Step 2: Convert to fraction form
146,523.68/202,201.44 = 82,861.28/x - Step 3: Cross multiply
146,523.68x = 202,201.44 × 82,861.28 - Step 4: Simplify right side
146,523.68x = 16,754,670,136.24 - Step 5: Solve for x
x = 16,754,670,136.24/146,523.68 - Step 6: Final answer
x = 114,347.87
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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.