Finding the Fourth Proportional to 80,187.98, 110,657.88 and 44,378.01
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Solution
The fourth proportional to 80,187.98, 110,657.88 and 44,378.01 is: 61,240.81
Step by Step Solution
- Step 1: Write the proportion equation
80,187.98 : 110,657.88 = 44,378.01 : x - Step 2: Convert to fraction form
80,187.98/110,657.88 = 44,378.01/x - Step 3: Cross multiply
80,187.98x = 110,657.88 × 44,378.01 - Step 4: Simplify right side
80,187.98x = 4,910,776,505.22 - Step 5: Solve for x
x = 4,910,776,505.22/80,187.98 - Step 6: Final answer
x = 61,240.81
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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.