Finding the Fourth Proportional to 274,844.97, 412,005.02 and 87,734.97
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Solution
The fourth proportional to 274,844.97, 412,005.02 and 87,734.97 is: 131,518.68
Step by Step Solution
- Step 1: Write the proportion equation
274,844.97 : 412,005.02 = 87,734.97 : x - Step 2: Convert to fraction form
274,844.97/412,005.02 = 87,734.97/x - Step 3: Cross multiply
274,844.97x = 412,005.02 × 87,734.97 - Step 4: Simplify right side
274,844.97x = 36,147,247,630.87 - Step 5: Solve for x
x = 36,147,247,630.87/274,844.97 - Step 6: Final answer
x = 131,518.68
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1.5x scale
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.