Finding the Fourth Proportional to 222,352.70, 306,844.57 and 120,375.53
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Solution
The fourth proportional to 222,352.70, 306,844.57 and 120,375.53 is: 166,117.07
Step by Step Solution
- Step 1: Write the proportion equation
222,352.70 : 306,844.57 = 120,375.53 : x - Step 2: Convert to fraction form
222,352.70/306,844.57 = 120,375.53/x - Step 3: Cross multiply
222,352.70x = 306,844.57 × 120,375.53 - Step 4: Simplify right side
222,352.70x = 36,936,579,234.29 - Step 5: Solve for x
x = 36,936,579,234.29/222,352.70 - Step 6: Final answer
x = 166,117.07
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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.