Finding the Fourth Proportional to 395,499.44, 545,785.92 and 214,207.16
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Solution
The fourth proportional to 395,499.44, 545,785.92 and 214,207.16 is: 295,604.09
Step by Step Solution
- Step 1: Write the proportion equation
395,499.44 : 545,785.92 = 214,207.16 : x - Step 2: Convert to fraction form
395,499.44/545,785.92 = 214,207.16/x - Step 3: Cross multiply
395,499.44x = 545,785.92 × 214,207.16 - Step 4: Simplify right side
395,499.44x = 116,911,251,891.19 - Step 5: Solve for x
x = 116,911,251,891.19/395,499.44 - Step 6: Final answer
x = 295,604.09
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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.