Finding the Fourth Proportional to 226,627.20, 339,940.80 and 202,132.80
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Solution
The fourth proportional to 226,627.20, 339,940.80 and 202,132.80 is: 303,199.20
Step by Step Solution
- Step 1: Write the proportion equation
226,627.20 : 339,940.80 = 202,132.80 : x - Step 2: Convert to fraction form
226,627.20/339,940.80 = 202,132.80/x - Step 3: Cross multiply
226,627.20x = 339,940.80 × 202,132.80 - Step 4: Simplify right side
226,627.20x = 68,713,185,738.24 - Step 5: Solve for x
x = 68,713,185,738.24/226,627.20 - Step 6: Final answer
x = 303,199.20
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1.5x scale
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.