Finding the Fourth Proportional to 135,416.40, 203,124.60 and 132,824.40
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Solution
The fourth proportional to 135,416.40, 203,124.60 and 132,824.40 is: 199,236.60
Step by Step Solution
- Step 1: Write the proportion equation
135,416.40 : 203,124.60 = 132,824.40 : x - Step 2: Convert to fraction form
135,416.40/203,124.60 = 132,824.40/x - Step 3: Cross multiply
135,416.40x = 203,124.60 × 132,824.40 - Step 4: Simplify right side
135,416.40x = 26,979,903,120.24 - Step 5: Solve for x
x = 26,979,903,120.24/135,416.40 - Step 6: Final answer
x = 199,236.60
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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.