Finding the Fourth Proportional to 135,944.70, 203,917.05 and 82,800.60
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Solution
The fourth proportional to 135,944.70, 203,917.05 and 82,800.60 is: 124,200.90
Step by Step Solution
- Step 1: Write the proportion equation
135,944.70 : 203,917.05 = 82,800.60 : x - Step 2: Convert to fraction form
135,944.70/203,917.05 = 82,800.60/x - Step 3: Cross multiply
135,944.70x = 203,917.05 × 82,800.60 - Step 4: Simplify right side
135,944.70x = 16,884,454,090.23 - Step 5: Solve for x
x = 16,884,454,090.23/135,944.70 - Step 6: Final answer
x = 124,200.90
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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.