Finding the Fourth Proportional to 216,668.26, 325,009.58 and 74,512.13
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Solution
The fourth proportional to 216,668.26, 325,009.58 and 74,512.13 is: 111,770.67
Step by Step Solution
- Step 1: Write the proportion equation
216,668.26 : 325,009.58 = 74,512.13 : x - Step 2: Convert to fraction form
216,668.26/325,009.58 = 74,512.13/x - Step 3: Cross multiply
216,668.26x = 325,009.58 × 74,512.13 - Step 4: Simplify right side
216,668.26x = 24,217,156,076.21 - Step 5: Solve for x
x = 24,217,156,076.21/216,668.26 - Step 6: Final answer
x = 111,770.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.