Finding the Fourth Proportional to 306,199.26, 422,569.36 and 170,235.44
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Solution
The fourth proportional to 306,199.26, 422,569.36 and 170,235.44 is: 234,932.90
Step by Step Solution
- Step 1: Write the proportion equation
306,199.26 : 422,569.36 = 170,235.44 : x - Step 2: Convert to fraction form
306,199.26/422,569.36 = 170,235.44/x - Step 3: Cross multiply
306,199.26x = 422,569.36 × 170,235.44 - Step 4: Simplify right side
306,199.26x = 71,936,280,930.12 - Step 5: Solve for x
x = 71,936,280,930.12/306,199.26 - Step 6: Final answer
x = 234,932.90
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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.