Finding the Fourth Proportional to 222,163.09, 306,583.79 and 120,188.23
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Solution
The fourth proportional to 222,163.09, 306,583.79 and 120,188.23 is: 165,859.06
Step by Step Solution
- Step 1: Write the proportion equation
222,163.09 : 306,583.79 = 120,188.23 : x - Step 2: Convert to fraction form
222,163.09/306,583.79 = 120,188.23/x - Step 3: Cross multiply
222,163.09x = 306,583.79 × 120,188.23 - Step 4: Simplify right side
222,163.09x = 36,847,761,699.39 - Step 5: Solve for x
x = 36,847,761,699.39/222,163.09 - Step 6: Final answer
x = 165,859.06
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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.