Finding the Fourth Proportional to 222,239.20, 306,613.84 and 126,676.96
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Solution
The fourth proportional to 222,239.20, 306,613.84 and 126,676.96 is: 174,770.74
Step by Step Solution
- Step 1: Write the proportion equation
222,239.20 : 306,613.84 = 126,676.96 : x - Step 2: Convert to fraction form
222,239.20/306,613.84 = 126,676.96/x - Step 3: Cross multiply
222,239.20x = 306,613.84 × 126,676.96 - Step 4: Simplify right side
222,239.20x = 38,840,909,145.13 - Step 5: Solve for x
x = 38,840,909,145.13/222,239.20 - Step 6: Final answer
x = 174,770.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.