Finding the Fourth Proportional to 105,224.44, 157,859.99 and 30,338.75
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Solution
The fourth proportional to 105,224.44, 157,859.99 and 30,338.75 is: 45,514.85
Step by Step Solution
- Step 1: Write the proportion equation
105,224.44 : 157,859.99 = 30,338.75 : x - Step 2: Convert to fraction form
105,224.44/157,859.99 = 30,338.75/x - Step 3: Cross multiply
105,224.44x = 157,859.99 × 30,338.75 - Step 4: Simplify right side
105,224.44x = 4,789,274,771.61 - Step 5: Solve for x
x = 4,789,274,771.61/105,224.44 - Step 6: Final answer
x = 45,514.85
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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.