Finding the Fourth Proportional to 263,246.09, 394,918.34 and 105,486.84
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Solution
The fourth proportional to 263,246.09, 394,918.34 and 105,486.84 is: 158,249.98
Step by Step Solution
- Step 1: Write the proportion equation
263,246.09 : 394,918.34 = 105,486.84 : x - Step 2: Convert to fraction form
263,246.09/394,918.34 = 105,486.84/x - Step 3: Cross multiply
263,246.09x = 394,918.34 × 105,486.84 - Step 4: Simplify right side
263,246.09x = 41,658,687,217.21 - Step 5: Solve for x
x = 41,658,687,217.21/263,246.09 - Step 6: Final answer
x = 158,249.98
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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.