Finding the Fourth Proportional to 222,071.12, 332,958.71 and 122,278.31
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Solution
The fourth proportional to 222,071.12, 332,958.71 and 122,278.31 is: 183,335.99
Step by Step Solution
- Step 1: Write the proportion equation
222,071.12 : 332,958.71 = 122,278.31 : x - Step 2: Convert to fraction form
222,071.12/332,958.71 = 122,278.31/x - Step 3: Cross multiply
222,071.12x = 332,958.71 × 122,278.31 - Step 4: Simplify right side
222,071.12x = 40,713,628,358.58 - Step 5: Solve for x
x = 40,713,628,358.58/222,071.12 - Step 6: Final answer
x = 183,335.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.