Finding the Fourth Proportional to 222,213.66, 306,652.62 and 120,236.88
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Solution
The fourth proportional to 222,213.66, 306,652.62 and 120,236.88 is: 165,925.69
Step by Step Solution
- Step 1: Write the proportion equation
222,213.66 : 306,652.62 = 120,236.88 : x - Step 2: Convert to fraction form
222,213.66/306,652.62 = 120,236.88/x - Step 3: Cross multiply
222,213.66x = 306,652.62 × 120,236.88 - Step 4: Simplify right side
222,213.66x = 36,870,954,272.63 - Step 5: Solve for x
x = 36,870,954,272.63/222,213.66 - Step 6: Final answer
x = 165,925.69
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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.