Finding the Fourth Proportional to 288,950.26, 398,326.99 and 202,647.60
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Solution
The fourth proportional to 288,950.26, 398,326.99 and 202,647.60 is: 279,356.07
Step by Step Solution
- Step 1: Write the proportion equation
288,950.26 : 398,326.99 = 202,647.60 : x - Step 2: Convert to fraction form
288,950.26/398,326.99 = 202,647.60/x - Step 3: Cross multiply
288,950.26x = 398,326.99 × 202,647.60 - Step 4: Simplify right side
288,950.26x = 80,720,008,538.72 - Step 5: Solve for x
x = 80,720,008,538.72/288,950.26 - Step 6: Final answer
x = 279,356.07
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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.