Finding the Fourth Proportional to 207,247.20, 311,331.60 and 201,717.60
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Solution
The fourth proportional to 207,247.20, 311,331.60 and 201,717.60 is: 303,024.91
Step by Step Solution
- Step 1: Write the proportion equation
207,247.20 : 311,331.60 = 201,717.60 : x - Step 2: Convert to fraction form
207,247.20/311,331.60 = 201,717.60/x - Step 3: Cross multiply
207,247.20x = 311,331.60 × 201,717.60 - Step 4: Simplify right side
207,247.20x = 62,801,063,156.16 - Step 5: Solve for x
x = 62,801,063,156.16/207,247.20 - Step 6: Final answer
x = 303,024.91
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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.