Finding the Fourth Proportional to 207,340.21, 311,010.08 and 65,197.96
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Solution
The fourth proportional to 207,340.21, 311,010.08 and 65,197.96 is: 97,796.87
Step by Step Solution
- Step 1: Write the proportion equation
207,340.21 : 311,010.08 = 65,197.96 : x - Step 2: Convert to fraction form
207,340.21/311,010.08 = 65,197.96/x - Step 3: Cross multiply
207,340.21x = 311,010.08 × 65,197.96 - Step 4: Simplify right side
207,340.21x = 20,277,223,768.09 - Step 5: Solve for x
x = 20,277,223,768.09/207,340.21 - Step 6: Final answer
x = 97,796.87
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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.