Finding the Fourth Proportional to 137,442.42, 206,186.04 and 48,676.68
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Solution
The fourth proportional to 137,442.42, 206,186.04 and 48,676.68 is: 73,022.96
Step by Step Solution
- Step 1: Write the proportion equation
137,442.42 : 206,186.04 = 48,676.68 : x - Step 2: Convert to fraction form
137,442.42/206,186.04 = 48,676.68/x - Step 3: Cross multiply
137,442.42x = 206,186.04 × 48,676.68 - Step 4: Simplify right side
137,442.42x = 10,036,451,889.55 - Step 5: Solve for x
x = 10,036,451,889.55/137,442.42 - Step 6: Final answer
x = 73,022.96
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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.