Finding the Fourth Proportional to 106,828.08, 160,229.88 and 27,949.92
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Solution
The fourth proportional to 106,828.08, 160,229.88 and 27,949.92 is: 41,921.68
Step by Step Solution
- Step 1: Write the proportion equation
106,828.08 : 160,229.88 = 27,949.92 : x - Step 2: Convert to fraction form
106,828.08/160,229.88 = 27,949.92/x - Step 3: Cross multiply
106,828.08x = 160,229.88 × 27,949.92 - Step 4: Simplify right side
106,828.08x = 4,478,412,327.61 - Step 5: Solve for x
x = 4,478,412,327.61/106,828.08 - Step 6: Final answer
x = 41,921.68
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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.