Finding the Fourth Proportional to 416,245.19, 574,416.24 and 225,258.62
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Solution
The fourth proportional to 416,245.19, 574,416.24 and 225,258.62 is: 310,855.75
Step by Step Solution
- Step 1: Write the proportion equation
416,245.19 : 574,416.24 = 225,258.62 : x - Step 2: Convert to fraction form
416,245.19/574,416.24 = 225,258.62/x - Step 3: Cross multiply
416,245.19x = 574,416.24 × 225,258.62 - Step 4: Simplify right side
416,245.19x = 129,392,209,527.99 - Step 5: Solve for x
x = 129,392,209,527.99/416,245.19 - Step 6: Final answer
x = 310,855.75
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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.