Finding the Fourth Proportional to 286,514.10, 430,230.15 and 227,837.70
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Solution
The fourth proportional to 286,514.10, 430,230.15 and 227,837.70 is: 342,121.55
Step by Step Solution
- Step 1: Write the proportion equation
286,514.10 : 430,230.15 = 227,837.70 : x - Step 2: Convert to fraction form
286,514.10/430,230.15 = 227,837.70/x - Step 3: Cross multiply
286,514.10x = 430,230.15 × 227,837.70 - Step 4: Simplify right side
286,514.10x = 98,022,647,846.66 - Step 5: Solve for x
x = 98,022,647,846.66/286,514.10 - Step 6: Final answer
x = 342,121.55
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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.