Finding the Fourth Proportional to 156,944.44, 235,391.82 and 68,174.14
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Solution
The fourth proportional to 156,944.44, 235,391.82 and 68,174.14 is: 102,250.42
Step by Step Solution
- Step 1: Write the proportion equation
156,944.44 : 235,391.82 = 68,174.14 : x - Step 2: Convert to fraction form
156,944.44/235,391.82 = 68,174.14/x - Step 3: Cross multiply
156,944.44x = 235,391.82 × 68,174.14 - Step 4: Simplify right side
156,944.44x = 16,047,634,891.53 - Step 5: Solve for x
x = 16,047,634,891.53/156,944.44 - Step 6: Final answer
x = 102,250.42
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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.