Finding the Fourth Proportional to 325,604.81, 449,336.03 and 189,731.97
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Solution
The fourth proportional to 325,604.81, 449,336.03 and 189,731.97 is: 261,830.92
Step by Step Solution
- Step 1: Write the proportion equation
325,604.81 : 449,336.03 = 189,731.97 : x - Step 2: Convert to fraction form
325,604.81/449,336.03 = 189,731.97/x - Step 3: Cross multiply
325,604.81x = 449,336.03 × 189,731.97 - Step 4: Simplify right side
325,604.81x = 85,253,409,215.22 - Step 5: Solve for x
x = 85,253,409,215.22/325,604.81 - Step 6: Final answer
x = 261,830.92
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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.