Finding the Fourth Proportional to 135,850.40, 203,775.60 and 88,611.20
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Solution
The fourth proportional to 135,850.40, 203,775.60 and 88,611.20 is: 132,916.80
Step by Step Solution
- Step 1: Write the proportion equation
135,850.40 : 203,775.60 = 88,611.20 : x - Step 2: Convert to fraction form
135,850.40/203,775.60 = 88,611.20/x - Step 3: Cross multiply
135,850.40x = 203,775.60 × 88,611.20 - Step 4: Simplify right side
135,850.40x = 18,056,800,446.72 - Step 5: Solve for x
x = 18,056,800,446.72/135,850.40 - Step 6: Final answer
x = 132,916.80
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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.