Finding the Fourth Proportional to 325,621.08, 449,361.58 and 212,378.84
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Solution
The fourth proportional to 325,621.08, 449,361.58 and 212,378.84 is: 293,085.73
Step by Step Solution
- Step 1: Write the proportion equation
325,621.08 : 449,361.58 = 212,378.84 : x - Step 2: Convert to fraction form
325,621.08/449,361.58 = 212,378.84/x - Step 3: Cross multiply
325,621.08x = 449,361.58 × 212,378.84 - Step 4: Simplify right side
325,621.08x = 95,434,891,100.97 - Step 5: Solve for x
x = 95,434,891,100.97/325,621.08 - Step 6: Final answer
x = 293,085.73
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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.