Finding the Fourth Proportional to 285,843.39, 394,400.77 and 164,958.99
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Solution
The fourth proportional to 285,843.39, 394,400.77 and 164,958.99 is: 227,606.99
Step by Step Solution
- Step 1: Write the proportion equation
285,843.39 : 394,400.77 = 164,958.99 : x - Step 2: Convert to fraction form
285,843.39/394,400.77 = 164,958.99/x - Step 3: Cross multiply
285,843.39x = 394,400.77 × 164,958.99 - Step 4: Simplify right side
285,843.39x = 65,059,952,674.42 - Step 5: Solve for x
x = 65,059,952,674.42/285,843.39 - Step 6: Final answer
x = 227,606.99
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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.