Finding the Fourth Proportional to 207,603.63, 311,537.90 and 74,480.94
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Solution
The fourth proportional to 207,603.63, 311,537.90 and 74,480.94 is: 111,768.92
Step by Step Solution
- Step 1: Write the proportion equation
207,603.63 : 311,537.90 = 74,480.94 : x - Step 2: Convert to fraction form
207,603.63/311,537.90 = 74,480.94/x - Step 3: Cross multiply
207,603.63x = 311,537.90 × 74,480.94 - Step 4: Simplify right side
207,603.63x = 23,203,633,707.53 - Step 5: Solve for x
x = 23,203,633,707.53/207,603.63 - Step 6: Final answer
x = 111,768.92
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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.