Finding the Fourth Proportional to 325,299.43, 448,859.64 and 204,355.05
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Solution
The fourth proportional to 325,299.43, 448,859.64 and 204,355.05 is: 281,976.31
Step by Step Solution
- Step 1: Write the proportion equation
325,299.43 : 448,859.64 = 204,355.05 : x - Step 2: Convert to fraction form
325,299.43/448,859.64 = 204,355.05/x - Step 3: Cross multiply
325,299.43x = 448,859.64 × 204,355.05 - Step 4: Simplify right side
325,299.43x = 91,726,734,175.18 - Step 5: Solve for x
x = 91,726,734,175.18/325,299.43 - Step 6: Final answer
x = 281,976.31
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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.