Finding the Fourth Proportional to 133,837.44, 200,731.84 and 40,318.08
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Solution
The fourth proportional to 133,837.44, 200,731.84 and 40,318.08 is: 60,469.79
Step by Step Solution
- Step 1: Write the proportion equation
133,837.44 : 200,731.84 = 40,318.08 : x - Step 2: Convert to fraction form
133,837.44/200,731.84 = 40,318.08/x - Step 3: Cross multiply
133,837.44x = 200,731.84 × 40,318.08 - Step 4: Simplify right side
133,837.44x = 8,093,122,383.67 - Step 5: Solve for x
x = 8,093,122,383.67/133,837.44 - Step 6: Final answer
x = 60,469.79
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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.