Finding the Fourth Proportional to 68,246.40, 102,369.60 and 44,626.80
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Solution
The fourth proportional to 68,246.40, 102,369.60 and 44,626.80 is: 66,940.20
Step by Step Solution
- Step 1: Write the proportion equation
68,246.40 : 102,369.60 = 44,626.80 : x - Step 2: Convert to fraction form
68,246.40/102,369.60 = 44,626.80/x - Step 3: Cross multiply
68,246.40x = 102,369.60 × 44,626.80 - Step 4: Simplify right side
68,246.40x = 4,568,427,665.28 - Step 5: Solve for x
x = 4,568,427,665.28/68,246.40 - Step 6: Final answer
x = 66,940.20
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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.