Finding the Fourth Proportional to 135,944.60, 203,916.90 and 133,611.80
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Solution
The fourth proportional to 135,944.60, 203,916.90 and 133,611.80 is: 200,417.70
Step by Step Solution
- Step 1: Write the proportion equation
135,944.60 : 203,916.90 = 133,611.80 : x - Step 2: Convert to fraction form
135,944.60/203,916.90 = 133,611.80/x - Step 3: Cross multiply
135,944.60x = 203,916.90 × 133,611.80 - Step 4: Simplify right side
135,944.60x = 27,245,704,059.42 - Step 5: Solve for x
x = 27,245,704,059.42/135,944.60 - Step 6: Final answer
x = 200,417.70
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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.