Finding the Fourth Proportional to 633,144.26, 949,716.40 and 189,912.26
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Solution
The fourth proportional to 633,144.26, 949,716.40 and 189,912.26 is: 284,868.39
Step by Step Solution
- Step 1: Write the proportion equation
633,144.26 : 949,716.40 = 189,912.26 : x - Step 2: Convert to fraction form
633,144.26/949,716.40 = 189,912.26/x - Step 3: Cross multiply
633,144.26x = 949,716.40 × 189,912.26 - Step 4: Simplify right side
633,144.26x = 180,362,787,883.06 - Step 5: Solve for x
x = 180,362,787,883.06/633,144.26 - Step 6: Final answer
x = 284,868.39
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1.5x scale
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.