Finding the Fourth Proportional to 229,121.64, 343,544.42 and 102,739.02
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Solution
The fourth proportional to 229,121.64, 343,544.42 and 102,739.02 is: 154,046.63
Step by Step Solution
- Step 1: Write the proportion equation
229,121.64 : 343,544.42 = 102,739.02 : x - Step 2: Convert to fraction form
229,121.64/343,544.42 = 102,739.02/x - Step 3: Cross multiply
229,121.64x = 343,544.42 × 102,739.02 - Step 4: Simplify right side
229,121.64x = 35,295,416,523.57 - Step 5: Solve for x
x = 35,295,416,523.57/229,121.64 - Step 6: Final answer
x = 154,046.63
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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.