Finding the Fourth Proportional to 217,754.19, 326,651.94 and 84,644.73
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Solution
The fourth proportional to 217,754.19, 326,651.94 and 84,644.73 is: 126,975.12
Step by Step Solution
- Step 1: Write the proportion equation
217,754.19 : 326,651.94 = 84,644.73 : x - Step 2: Convert to fraction form
217,754.19/326,651.94 = 84,644.73/x - Step 3: Cross multiply
217,754.19x = 326,651.94 × 84,644.73 - Step 4: Simplify right side
217,754.19x = 27,649,365,265.28 - Step 5: Solve for x
x = 27,649,365,265.28/217,754.19 - Step 6: Final answer
x = 126,975.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.