Finding the Fourth Proportional to 416,403.24, 574,635.81 and 225,416.58
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Solution
The fourth proportional to 416,403.24, 574,635.81 and 225,416.58 is: 311,074.52
Step by Step Solution
- Step 1: Write the proportion equation
416,403.24 : 574,635.81 = 225,416.58 : x - Step 2: Convert to fraction form
416,403.24/574,635.81 = 225,416.58/x - Step 3: Cross multiply
416,403.24x = 574,635.81 × 225,416.58 - Step 4: Simplify right side
416,403.24x = 129,532,439,035.73 - Step 5: Solve for x
x = 129,532,439,035.73/416,403.24 - Step 6: Final answer
x = 311,074.52
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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.