Finding the Fourth Proportional to 248,099.94, 371,815.79 and 135,611.19
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Solution
The fourth proportional to 248,099.94, 371,815.79 and 135,611.19 is: 203,234.15
Step by Step Solution
- Step 1: Write the proportion equation
248,099.94 : 371,815.79 = 135,611.19 : x - Step 2: Convert to fraction form
248,099.94/371,815.79 = 135,611.19/x - Step 3: Cross multiply
248,099.94x = 371,815.79 × 135,611.19 - Step 4: Simplify right side
248,099.94x = 50,422,381,064.63 - Step 5: Solve for x
x = 50,422,381,064.63/248,099.94 - Step 6: Final answer
x = 203,234.15
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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.