Finding the Fourth Proportional to 543,275.40, 814,414.17 and 188,040.99
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Solution
The fourth proportional to 543,275.40, 814,414.17 and 188,040.99 is: 281,888.80
Step by Step Solution
- Step 1: Write the proportion equation
543,275.40 : 814,414.17 = 188,040.99 : x - Step 2: Convert to fraction form
543,275.40/814,414.17 = 188,040.99/x - Step 3: Cross multiply
543,275.40x = 814,414.17 × 188,040.99 - Step 4: Simplify right side
543,275.40x = 153,143,250,556.04 - Step 5: Solve for x
x = 153,143,250,556.04/543,275.40 - Step 6: Final answer
x = 281,888.80
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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.