Finding the Fourth Proportional to 222,034.28, 306,409.04 and 122,581.99
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Solution
The fourth proportional to 222,034.28, 306,409.04 and 122,581.99 is: 169,164.10
Step by Step Solution
- Step 1: Write the proportion equation
222,034.28 : 306,409.04 = 122,581.99 : x - Step 2: Convert to fraction form
222,034.28/306,409.04 = 122,581.99/x - Step 3: Cross multiply
222,034.28x = 306,409.04 × 122,581.99 - Step 4: Simplify right side
222,034.28x = 37,560,229,417.62 - Step 5: Solve for x
x = 37,560,229,417.62/222,034.28 - Step 6: Final answer
x = 169,164.10
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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.