Finding the Fourth Proportional to 222,240.22, 306,691.50 and 120,265.68
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Solution
The fourth proportional to 222,240.22, 306,691.50 and 120,265.68 is: 165,966.63
Step by Step Solution
- Step 1: Write the proportion equation
222,240.22 : 306,691.50 = 120,265.68 : x - Step 2: Convert to fraction form
222,240.22/306,691.50 = 120,265.68/x - Step 3: Cross multiply
222,240.22x = 306,691.50 × 120,265.68 - Step 4: Simplify right side
222,240.22x = 36,884,461,859.75 - Step 5: Solve for x
x = 36,884,461,859.75/222,240.22 - Step 6: Final answer
x = 165,966.63
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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.