Finding the Fourth Proportional to 211,755.13, 317,636.79 and 51,832.46
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Solution
The fourth proportional to 211,755.13, 317,636.79 and 51,832.46 is: 77,749.69
Step by Step Solution
- Step 1: Write the proportion equation
211,755.13 : 317,636.79 = 51,832.46 : x - Step 2: Convert to fraction form
211,755.13/317,636.79 = 51,832.46/x - Step 3: Cross multiply
211,755.13x = 317,636.79 × 51,832.46 - Step 4: Simplify right side
211,755.13x = 16,463,896,212.20 - Step 5: Solve for x
x = 16,463,896,212.20/211,755.13 - Step 6: Final answer
x = 77,749.69
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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.