Finding the Fourth Proportional to 137,977.48, 206,992.62 and 44,458.12
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Solution
The fourth proportional to 137,977.48, 206,992.62 and 44,458.12 is: 66,695.69
Step by Step Solution
- Step 1: Write the proportion equation
137,977.48 : 206,992.62 = 44,458.12 : x - Step 2: Convert to fraction form
137,977.48/206,992.62 = 44,458.12/x - Step 3: Cross multiply
137,977.48x = 206,992.62 × 44,458.12 - Step 4: Simplify right side
137,977.48x = 9,202,502,739.07 - Step 5: Solve for x
x = 9,202,502,739.07/137,977.48 - Step 6: Final answer
x = 66,695.69
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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.