Finding the Fourth Proportional to 100,400.48, 150,304.84 and 87,944.84
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Solution
The fourth proportional to 100,400.48, 150,304.84 and 87,944.84 is: 131,658.09
Step by Step Solution
- Step 1: Write the proportion equation
100,400.48 : 150,304.84 = 87,944.84 : x - Step 2: Convert to fraction form
100,400.48/150,304.84 = 87,944.84/x - Step 3: Cross multiply
100,400.48x = 150,304.84 × 87,944.84 - Step 4: Simplify right side
100,400.48x = 13,218,535,105.03 - Step 5: Solve for x
x = 13,218,535,105.03/100,400.48 - Step 6: Final answer
x = 131,658.09
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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.