Finding the Fourth Proportional to 242,441.37, 363,685.55 and 82,629.99
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Solution
The fourth proportional to 242,441.37, 363,685.55 and 82,629.99 is: 123,952.99
Step by Step Solution
- Step 1: Write the proportion equation
242,441.37 : 363,685.55 = 82,629.99 : x - Step 2: Convert to fraction form
242,441.37/363,685.55 = 82,629.99/x - Step 3: Cross multiply
242,441.37x = 363,685.55 × 82,629.99 - Step 4: Simplify right side
242,441.37x = 30,051,332,946.49 - Step 5: Solve for x
x = 30,051,332,946.49/242,441.37 - Step 6: Final answer
x = 123,952.99
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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.