Finding the Fourth Proportional to 157,608.99, 218,614.75 and 151,934.94
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Solution
The fourth proportional to 157,608.99, 218,614.75 and 151,934.94 is: 210,744.44
Step by Step Solution
- Step 1: Write the proportion equation
157,608.99 : 218,614.75 = 151,934.94 : x - Step 2: Convert to fraction form
157,608.99/218,614.75 = 151,934.94/x - Step 3: Cross multiply
157,608.99x = 218,614.75 × 151,934.94 - Step 4: Simplify right side
157,608.99x = 33,215,218,544.53 - Step 5: Solve for x
x = 33,215,218,544.53/157,608.99 - Step 6: Final answer
x = 210,744.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.