Finding the Fourth Proportional to 99,809.92, 149,717.64 and 33,247.69
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Solution
The fourth proportional to 99,809.92, 149,717.64 and 33,247.69 is: 49,872.45
Step by Step Solution
- Step 1: Write the proportion equation
99,809.92 : 149,717.64 = 33,247.69 : x - Step 2: Convert to fraction form
99,809.92/149,717.64 = 33,247.69/x - Step 3: Cross multiply
99,809.92x = 149,717.64 × 33,247.69 - Step 4: Simplify right side
99,809.92x = 4,977,765,682.25 - Step 5: Solve for x
x = 4,977,765,682.25/99,809.92 - Step 6: Final answer
x = 49,872.45
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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.