Finding the Fourth Proportional to 281,864.97, 422,793.81 and 68,633.28
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Solution
The fourth proportional to 281,864.97, 422,793.81 and 68,633.28 is: 102,949.03
Step by Step Solution
- Step 1: Write the proportion equation
281,864.97 : 422,793.81 = 68,633.28 : x - Step 2: Convert to fraction form
281,864.97/422,793.81 = 68,633.28/x - Step 3: Cross multiply
281,864.97x = 422,793.81 × 68,633.28 - Step 4: Simplify right side
281,864.97x = 29,017,725,944.00 - Step 5: Solve for x
x = 29,017,725,944.00/281,864.97 - Step 6: Final answer
x = 102,949.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.