Finding the Fourth Proportional to 222,366.26, 306,865.50 and 120,391.70
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Solution
The fourth proportional to 222,366.26, 306,865.50 and 120,391.70 is: 166,140.58
Step by Step Solution
- Step 1: Write the proportion equation
222,366.26 : 306,865.50 = 120,391.70 : x - Step 2: Convert to fraction form
222,366.26/306,865.50 = 120,391.70/x - Step 3: Cross multiply
222,366.26x = 306,865.50 × 120,391.70 - Step 4: Simplify right side
222,366.26x = 36,944,059,216.35 - Step 5: Solve for x
x = 36,944,059,216.35/222,366.26 - Step 6: Final answer
x = 166,140.58
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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.