Finding the Fourth Proportional to 222,949.80, 334,435.64 and 89,811.99
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Solution
The fourth proportional to 222,949.80, 334,435.64 and 89,811.99 is: 134,722.39
Step by Step Solution
- Step 1: Write the proportion equation
222,949.80 : 334,435.64 = 89,811.99 : x - Step 2: Convert to fraction form
222,949.80/334,435.64 = 89,811.99/x - Step 3: Cross multiply
222,949.80x = 334,435.64 × 89,811.99 - Step 4: Simplify right side
222,949.80x = 30,036,329,906.26 - Step 5: Solve for x
x = 30,036,329,906.26/222,949.80 - Step 6: Final answer
x = 134,722.39
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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.