Finding the Fourth Proportional to 222,969.12, 307,694.34 and 122,367.12
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Solution
The fourth proportional to 222,969.12, 307,694.34 and 122,367.12 is: 168,864.95
Step by Step Solution
- Step 1: Write the proportion equation
222,969.12 : 307,694.34 = 122,367.12 : x - Step 2: Convert to fraction form
222,969.12/307,694.34 = 122,367.12/x - Step 3: Cross multiply
222,969.12x = 307,694.34 × 122,367.12 - Step 4: Simplify right side
222,969.12x = 37,651,670,226.10 - Step 5: Solve for x
x = 37,651,670,226.10/222,969.12 - Step 6: Final answer
x = 168,864.95
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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.