Finding the Fourth Proportional to 412,284.26, 618,825.51 and 199,202.11
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Solution
The fourth proportional to 412,284.26, 618,825.51 and 199,202.11 is: 298,996.00
Step by Step Solution
- Step 1: Write the proportion equation
412,284.26 : 618,825.51 = 199,202.11 : x - Step 2: Convert to fraction form
412,284.26/618,825.51 = 199,202.11/x - Step 3: Cross multiply
412,284.26x = 618,825.51 × 199,202.11 - Step 4: Simplify right side
412,284.26x = 123,271,345,766.76 - Step 5: Solve for x
x = 123,271,345,766.76/412,284.26 - Step 6: Final answer
x = 298,996.00
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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.