Finding the Fourth Proportional to 214,635.57, 321,953.35 and 74,394.19
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Solution
The fourth proportional to 214,635.57, 321,953.35 and 74,394.19 is: 111,591.29
Step by Step Solution
- Step 1: Write the proportion equation
214,635.57 : 321,953.35 = 74,394.19 : x - Step 2: Convert to fraction form
214,635.57/321,953.35 = 74,394.19/x - Step 3: Cross multiply
214,635.57x = 321,953.35 × 74,394.19 - Step 4: Simplify right side
214,635.57x = 23,951,459,046.98 - Step 5: Solve for x
x = 23,951,459,046.98/214,635.57 - Step 6: Final answer
x = 111,591.29
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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.