Finding the Fourth Proportional to 216,640.75, 298,958.64 and 119,842.08
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Solution
The fourth proportional to 216,640.75, 298,958.64 and 119,842.08 is: 165,378.98
Step by Step Solution
- Step 1: Write the proportion equation
216,640.75 : 298,958.64 = 119,842.08 : x - Step 2: Convert to fraction form
216,640.75/298,958.64 = 119,842.08/x - Step 3: Cross multiply
216,640.75x = 298,958.64 × 119,842.08 - Step 4: Simplify right side
216,640.75x = 35,827,825,251.57 - Step 5: Solve for x
x = 35,827,825,251.57/216,640.75 - Step 6: Final answer
x = 165,378.98
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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.