Finding the Fourth Proportional to 192,770.09, 265,990.99 and 121,099.36
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Solution
The fourth proportional to 192,770.09, 265,990.99 and 121,099.36 is: 167,097.17
Step by Step Solution
- Step 1: Write the proportion equation
192,770.09 : 265,990.99 = 121,099.36 : x - Step 2: Convert to fraction form
192,770.09/265,990.99 = 121,099.36/x - Step 3: Cross multiply
192,770.09x = 265,990.99 × 121,099.36 - Step 4: Simplify right side
192,770.09x = 32,211,336,719.31 - Step 5: Solve for x
x = 32,211,336,719.31/192,770.09 - Step 6: Final answer
x = 167,097.17
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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.