Finding the Fourth Proportional to 200,793.18, 299,549.42 and 186,475.62
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Solution
The fourth proportional to 200,793.18, 299,549.42 and 186,475.62 is: 278,190.05
Step by Step Solution
- Step 1: Write the proportion equation
200,793.18 : 299,549.42 = 186,475.62 : x - Step 2: Convert to fraction form
200,793.18/299,549.42 = 186,475.62/x - Step 3: Cross multiply
200,793.18x = 299,549.42 × 186,475.62 - Step 4: Simplify right side
200,793.18x = 55,858,663,815.14 - Step 5: Solve for x
x = 55,858,663,815.14/200,793.18 - Step 6: Final answer
x = 278,190.05
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.