Finding the Fourth Proportional to 394,205.67, 591,682.05 and 243,991.53
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Solution
The fourth proportional to 394,205.67, 591,682.05 and 243,991.53 is: 366,218.50
Step by Step Solution
- Step 1: Write the proportion equation
394,205.67 : 591,682.05 = 243,991.53 : x - Step 2: Convert to fraction form
394,205.67/591,682.05 = 243,991.53/x - Step 3: Cross multiply
394,205.67x = 591,682.05 × 243,991.53 - Step 4: Simplify right side
394,205.67x = 144,365,408,653.04 - Step 5: Solve for x
x = 144,365,408,653.04/394,205.67 - Step 6: Final answer
x = 366,218.50
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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.