Finding the Fourth Proportional to 568,229.28, 852,121.12 and 213,049.68
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Solution
The fourth proportional to 568,229.28, 852,121.12 and 213,049.68 is: 319,490.98
Step by Step Solution
- Step 1: Write the proportion equation
568,229.28 : 852,121.12 = 213,049.68 : x - Step 2: Convert to fraction form
568,229.28/852,121.12 = 213,049.68/x - Step 3: Cross multiply
568,229.28x = 852,121.12 × 213,049.68 - Step 4: Simplify right side
568,229.28x = 181,544,131,937.24 - Step 5: Solve for x
x = 181,544,131,937.24/568,229.28 - Step 6: Final answer
x = 319,490.98
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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.