Finding the Fourth Proportional to 416,412.37, 574,649.25 and 225,425.75
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Solution
The fourth proportional to 416,412.37, 574,649.25 and 225,425.75 is: 311,087.63
Step by Step Solution
- Step 1: Write the proportion equation
416,412.37 : 574,649.25 = 225,425.75 : x - Step 2: Convert to fraction form
416,412.37/574,649.25 = 225,425.75/x - Step 3: Cross multiply
416,412.37x = 574,649.25 × 225,425.75 - Step 4: Simplify right side
416,412.37x = 129,540,738,168.19 - Step 5: Solve for x
x = 129,540,738,168.19/416,412.37 - Step 6: Final answer
x = 311,087.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.