Finding the Fourth Proportional to 229,208.82, 343,815.60 and 69,286.08
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Solution
The fourth proportional to 229,208.82, 343,815.60 and 69,286.08 is: 103,929.84
Step by Step Solution
- Step 1: Write the proportion equation
229,208.82 : 343,815.60 = 69,286.08 : x - Step 2: Convert to fraction form
229,208.82/343,815.60 = 69,286.08/x - Step 3: Cross multiply
229,208.82x = 343,815.60 × 69,286.08 - Step 4: Simplify right side
229,208.82x = 23,821,635,166.85 - Step 5: Solve for x
x = 23,821,635,166.85/229,208.82 - Step 6: Final answer
x = 103,929.84
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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.