Finding the Fourth Proportional to 288,842.04, 398,571.48 and 159,759.99
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Solution
The fourth proportional to 288,842.04, 398,571.48 and 159,759.99 is: 220,451.90
Step by Step Solution
- Step 1: Write the proportion equation
288,842.04 : 398,571.48 = 159,759.99 : x - Step 2: Convert to fraction form
288,842.04/398,571.48 = 159,759.99/x - Step 3: Cross multiply
288,842.04x = 398,571.48 × 159,759.99 - Step 4: Simplify right side
288,842.04x = 63,675,775,659.09 - Step 5: Solve for x
x = 63,675,775,659.09/288,842.04 - Step 6: Final answer
x = 220,451.90
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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.