Finding the Fourth Proportional to 222,159.92, 306,481.80 and 141,543.68
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Solution
The fourth proportional to 222,159.92, 306,481.80 and 141,543.68 is: 195,267.27
Step by Step Solution
- Step 1: Write the proportion equation
222,159.92 : 306,481.80 = 141,543.68 : x - Step 2: Convert to fraction form
222,159.92/306,481.80 = 141,543.68/x - Step 3: Cross multiply
222,159.92x = 306,481.80 × 141,543.68 - Step 4: Simplify right side
222,159.92x = 43,380,561,825.02 - Step 5: Solve for x
x = 43,380,561,825.02/222,159.92 - Step 6: Final answer
x = 195,267.27
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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.