Finding the Fourth Proportional to 222,431.40, 334,424.70 and 217,765.80
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Solution
The fourth proportional to 222,431.40, 334,424.70 and 217,765.80 is: 327,409.99
Step by Step Solution
- Step 1: Write the proportion equation
222,431.40 : 334,424.70 = 217,765.80 : x - Step 2: Convert to fraction form
222,431.40/334,424.70 = 217,765.80/x - Step 3: Cross multiply
222,431.40x = 334,424.70 × 217,765.80 - Step 4: Simplify right side
222,431.40x = 72,826,262,335.26 - Step 5: Solve for x
x = 72,826,262,335.26/222,431.40 - Step 6: Final answer
x = 327,409.99
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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.