Finding the Fourth Proportional to 300,631.07, 450,946.49 and 120,716.44
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Solution
The fourth proportional to 300,631.07, 450,946.49 and 120,716.44 is: 181,074.62
Step by Step Solution
- Step 1: Write the proportion equation
300,631.07 : 450,946.49 = 120,716.44 : x - Step 2: Convert to fraction form
300,631.07/450,946.49 = 120,716.44/x - Step 3: Cross multiply
300,631.07x = 450,946.49 × 120,716.44 - Step 4: Simplify right side
300,631.07x = 54,436,657,662.13 - Step 5: Solve for x
x = 54,436,657,662.13/300,631.07 - Step 6: Final answer
x = 181,074.62
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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.