Finding the Fourth Proportional to 412,589.73, 618,756.42 and 199,224.99
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Solution
The fourth proportional to 412,589.73, 618,756.42 and 199,224.99 is: 298,775.59
Step by Step Solution
- Step 1: Write the proportion equation
412,589.73 : 618,756.42 = 199,224.99 : x - Step 2: Convert to fraction form
412,589.73/618,756.42 = 199,224.99/x - Step 3: Cross multiply
412,589.73x = 618,756.42 × 199,224.99 - Step 4: Simplify right side
412,589.73x = 123,271,741,586.94 - Step 5: Solve for x
x = 123,271,741,586.94/412,589.73 - Step 6: Final answer
x = 298,775.59
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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.