Finding the Fourth Proportional to 313,218.99, 431,957.34 and 264,922.34
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Solution
The fourth proportional to 313,218.99, 431,957.34 and 264,922.34 is: 365,351.88
Step by Step Solution
- Step 1: Write the proportion equation
313,218.99 : 431,957.34 = 264,922.34 : x - Step 2: Convert to fraction form
313,218.99/431,957.34 = 264,922.34/x - Step 3: Cross multiply
313,218.99x = 431,957.34 × 264,922.34 - Step 4: Simplify right side
313,218.99x = 114,435,147,133.19 - Step 5: Solve for x
x = 114,435,147,133.19/313,218.99 - Step 6: Final answer
x = 365,351.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.