Finding the Fourth Proportional to 195,451.20, 269,723.17 and 106,027.20
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Solution
The fourth proportional to 195,451.20, 269,723.17 and 106,027.20 is: 146,317.81
Step by Step Solution
- Step 1: Write the proportion equation
195,451.20 : 269,723.17 = 106,027.20 : x - Step 2: Convert to fraction form
195,451.20/269,723.17 = 106,027.20/x - Step 3: Cross multiply
195,451.20x = 269,723.17 × 106,027.20 - Step 4: Simplify right side
195,451.20x = 28,597,990,876.54 - Step 5: Solve for x
x = 28,597,990,876.54/195,451.20 - Step 6: Final answer
x = 146,317.81
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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.