Finding the Fourth Proportional to 222,091.88, 306,494.08 and 121,489.88
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Solution
The fourth proportional to 222,091.88, 306,494.08 and 121,489.88 is: 167,660.02
Step by Step Solution
- Step 1: Write the proportion equation
222,091.88 : 306,494.08 = 121,489.88 : x - Step 2: Convert to fraction form
222,091.88/306,494.08 = 121,489.88/x - Step 3: Cross multiply
222,091.88x = 306,494.08 × 121,489.88 - Step 4: Simplify right side
222,091.88x = 37,235,927,163.72 - Step 5: Solve for x
x = 37,235,927,163.72/222,091.88 - Step 6: Final answer
x = 167,660.02
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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.