Finding the Fourth Proportional to 206,641.28, 285,174.44 and 114,760.99
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Solution
The fourth proportional to 206,641.28, 285,174.44 and 114,760.99 is: 158,375.42
Step by Step Solution
- Step 1: Write the proportion equation
206,641.28 : 285,174.44 = 114,760.99 : x - Step 2: Convert to fraction form
206,641.28/285,174.44 = 114,760.99/x - Step 3: Cross multiply
206,641.28x = 285,174.44 × 114,760.99 - Step 4: Simplify right side
206,641.28x = 32,726,900,631.06 - Step 5: Solve for x
x = 32,726,900,631.06/206,641.28 - Step 6: Final answer
x = 158,375.42
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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.