Finding the Fourth Proportional to 186,687.75, 257,629.11 and 101,805.42
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Solution
The fourth proportional to 186,687.75, 257,629.11 and 101,805.42 is: 140,491.49
Step by Step Solution
- Step 1: Write the proportion equation
186,687.75 : 257,629.11 = 101,805.42 : x - Step 2: Convert to fraction form
186,687.75/257,629.11 = 101,805.42/x - Step 3: Cross multiply
186,687.75x = 257,629.11 × 101,805.42 - Step 4: Simplify right side
186,687.75x = 26,228,039,747.78 - Step 5: Solve for x
x = 26,228,039,747.78/186,687.75 - Step 6: Final answer
x = 140,491.49
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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.