Finding the Fourth Proportional to 205,408.53, 308,107.94 and 53,603.19
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Solution
The fourth proportional to 205,408.53, 308,107.94 and 53,603.19 is: 80,403.52
Step by Step Solution
- Step 1: Write the proportion equation
205,408.53 : 308,107.94 = 53,603.19 : x - Step 2: Convert to fraction form
205,408.53/308,107.94 = 53,603.19/x - Step 3: Cross multiply
205,408.53x = 308,107.94 × 53,603.19 - Step 4: Simplify right side
205,408.53x = 16,515,568,180.31 - Step 5: Solve for x
x = 16,515,568,180.31/205,408.53 - Step 6: Final answer
x = 80,403.52
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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.