Finding the Fourth Proportional to 289,137.40, 433,268.70 and 244,522.60
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Solution
The fourth proportional to 289,137.40, 433,268.70 and 244,522.60 is: 366,413.99
Step by Step Solution
- Step 1: Write the proportion equation
289,137.40 : 433,268.70 = 244,522.60 : x - Step 2: Convert to fraction form
289,137.40/433,268.70 = 244,522.60/x - Step 3: Cross multiply
289,137.40x = 433,268.70 × 244,522.60 - Step 4: Simplify right side
289,137.40x = 105,943,989,022.62 - Step 5: Solve for x
x = 105,943,989,022.62/289,137.40 - Step 6: Final answer
x = 366,413.99
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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.