Finding the Fourth Proportional to 416,558.21, 574,850.18 and 225,571.55
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Solution
The fourth proportional to 416,558.21, 574,850.18 and 225,571.55 is: 311,288.66
Step by Step Solution
- Step 1: Write the proportion equation
416,558.21 : 574,850.18 = 225,571.55 : x - Step 2: Convert to fraction form
416,558.21/574,850.18 = 225,571.55/x - Step 3: Cross multiply
416,558.21x = 574,850.18 × 225,571.55 - Step 4: Simplify right side
416,558.21x = 129,669,843,810.06 - Step 5: Solve for x
x = 129,669,843,810.06/416,558.21 - Step 6: Final answer
x = 311,288.66
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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.