Finding the Fourth Proportional to 227,571.05, 339,626.16 and 202,349.02
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Solution
The fourth proportional to 227,571.05, 339,626.16 and 202,349.02 is: 301,984.90
Step by Step Solution
- Step 1: Write the proportion equation
227,571.05 : 339,626.16 = 202,349.02 : x - Step 2: Convert to fraction form
227,571.05/339,626.16 = 202,349.02/x - Step 3: Cross multiply
227,571.05x = 339,626.16 × 202,349.02 - Step 4: Simplify right side
227,571.05x = 68,723,020,642.36 - Step 5: Solve for x
x = 68,723,020,642.36/227,571.05 - Step 6: Final answer
x = 301,984.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.