Finding the Fourth Proportional to 325,193.54, 448,785.16 and 189,230.18
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Solution
The fourth proportional to 325,193.54, 448,785.16 and 189,230.18 is: 261,148.16
Step by Step Solution
- Step 1: Write the proportion equation
325,193.54 : 448,785.16 = 189,230.18 : x - Step 2: Convert to fraction form
325,193.54/448,785.16 = 189,230.18/x - Step 3: Cross multiply
325,193.54x = 448,785.16 × 189,230.18 - Step 4: Simplify right side
325,193.54x = 84,923,693,891.13 - Step 5: Solve for x
x = 84,923,693,891.13/325,193.54 - Step 6: Final answer
x = 261,148.16
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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.