Finding the Fourth Proportional to 416,245.56, 574,420.58 and 225,258.96
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Solution
The fourth proportional to 416,245.56, 574,420.58 and 225,258.96 is: 310,858.29
Step by Step Solution
- Step 1: Write the proportion equation
416,245.56 : 574,420.58 = 225,258.96 : x - Step 2: Convert to fraction form
416,245.56/574,420.58 = 225,258.96/x - Step 3: Cross multiply
416,245.56x = 574,420.58 × 225,258.96 - Step 4: Simplify right side
416,245.56x = 129,393,382,453.40 - Step 5: Solve for x
x = 129,393,382,453.40/416,245.56 - Step 6: Final answer
x = 310,858.29
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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.