Finding the Fourth Proportional to 306,339.87, 422,716.62 and 170,351.83
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Solution
The fourth proportional to 306,339.87, 422,716.62 and 170,351.83 is: 235,067.50
Step by Step Solution
- Step 1: Write the proportion equation
306,339.87 : 422,716.62 = 170,351.83 : x - Step 2: Convert to fraction form
306,339.87/422,716.62 = 170,351.83/x - Step 3: Cross multiply
306,339.87x = 422,716.62 × 170,351.83 - Step 4: Simplify right side
306,339.87x = 72,010,548,577.85 - Step 5: Solve for x
x = 72,010,548,577.85/306,339.87 - Step 6: Final answer
x = 235,067.50
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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.