Finding the Fourth Proportional to 214,825.88, 321,996.63 and 102,414.08
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Solution
The fourth proportional to 214,825.88, 321,996.63 and 102,414.08 is: 153,505.66
Step by Step Solution
- Step 1: Write the proportion equation
214,825.88 : 321,996.63 = 102,414.08 : x - Step 2: Convert to fraction form
214,825.88/321,996.63 = 102,414.08/x - Step 3: Cross multiply
214,825.88x = 321,996.63 × 102,414.08 - Step 4: Simplify right side
214,825.88x = 32,976,988,624.55 - Step 5: Solve for x
x = 32,976,988,624.55/214,825.88 - Step 6: Final answer
x = 153,505.66
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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.