Finding the Fourth Proportional to 80,190.96, 110,661.36 and 44,382.48
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Solution
The fourth proportional to 80,190.96, 110,661.36 and 44,382.48 is: 61,246.62
Step by Step Solution
- Step 1: Write the proportion equation
80,190.96 : 110,661.36 = 44,382.48 : x - Step 2: Convert to fraction form
80,190.96/110,661.36 = 44,382.48/x - Step 3: Cross multiply
80,190.96x = 110,661.36 × 44,382.48 - Step 4: Simplify right side
80,190.96x = 4,911,425,596.97 - Step 5: Solve for x
x = 4,911,425,596.97/80,190.96 - Step 6: Final answer
x = 61,246.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.