Finding the Fourth Proportional to 155,099.62, 232,211.22 and 126,466.84
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Solution
The fourth proportional to 155,099.62, 232,211.22 and 126,466.84 is: 189,342.95
Step by Step Solution
- Step 1: Write the proportion equation
155,099.62 : 232,211.22 = 126,466.84 : x - Step 2: Convert to fraction form
155,099.62/232,211.22 = 126,466.84/x - Step 3: Cross multiply
155,099.62x = 232,211.22 × 126,466.84 - Step 4: Simplify right side
155,099.62x = 29,367,019,205.94 - Step 5: Solve for x
x = 29,367,019,205.94/155,099.62 - Step 6: Final answer
x = 189,342.95
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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.