Finding the Fourth Proportional to 416,584.98, 574,568.33 and 287,739.08
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Solution
The fourth proportional to 416,584.98, 574,568.33 and 287,739.08 is: 396,859.63
Step by Step Solution
- Step 1: Write the proportion equation
416,584.98 : 574,568.33 = 287,739.08 : x - Step 2: Convert to fraction form
416,584.98/574,568.33 = 287,739.08/x - Step 3: Cross multiply
416,584.98x = 574,568.33 × 287,739.08 - Step 4: Simplify right side
416,584.98x = 165,325,760,514.43 - Step 5: Solve for x
x = 165,325,760,514.43/416,584.98 - Step 6: Final answer
x = 396,859.63
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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.