Finding the Fourth Proportional to 222,251.46, 306,695.24 and 121,630.02
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Solution
The fourth proportional to 222,251.46, 306,695.24 and 121,630.02 is: 167,842.98
Step by Step Solution
- Step 1: Write the proportion equation
222,251.46 : 306,695.24 = 121,630.02 : x - Step 2: Convert to fraction form
222,251.46/306,695.24 = 121,630.02/x - Step 3: Cross multiply
222,251.46x = 306,695.24 × 121,630.02 - Step 4: Simplify right side
222,251.46x = 37,303,348,175.10 - Step 5: Solve for x
x = 37,303,348,175.10/222,251.46 - Step 6: Final answer
x = 167,842.98
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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.