Finding the Fourth Proportional to 281,286.96, 421,876.68 and 84,294.96
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Solution
The fourth proportional to 281,286.96, 421,876.68 and 84,294.96 is: 126,426.33
Step by Step Solution
- Step 1: Write the proportion equation
281,286.96 : 421,876.68 = 84,294.96 : x - Step 2: Convert to fraction form
281,286.96/421,876.68 = 84,294.96/x - Step 3: Cross multiply
281,286.96x = 421,876.68 × 84,294.96 - Step 4: Simplify right side
281,286.96x = 35,562,077,865.53 - Step 5: Solve for x
x = 35,562,077,865.53/281,286.96 - Step 6: Final answer
x = 126,426.33
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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.