Finding the Fourth Proportional to 252,523.41, 378,296.67 and 211,509.99
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Solution
The fourth proportional to 252,523.41, 378,296.67 and 211,509.99 is: 316,855.87
Step by Step Solution
- Step 1: Write the proportion equation
252,523.41 : 378,296.67 = 211,509.99 : x - Step 2: Convert to fraction form
252,523.41/378,296.67 = 211,509.99/x - Step 3: Cross multiply
252,523.41x = 378,296.67 × 211,509.99 - Step 4: Simplify right side
252,523.41x = 80,013,524,888.73 - Step 5: Solve for x
x = 80,013,524,888.73/252,523.41 - Step 6: Final answer
x = 316,855.87
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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.