Finding the Fourth Proportional to 207,160.83, 285,879.11 and 116,516.75
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Solution
The fourth proportional to 207,160.83, 285,879.11 and 116,516.75 is: 160,791.53
Step by Step Solution
- Step 1: Write the proportion equation
207,160.83 : 285,879.11 = 116,516.75 : x - Step 2: Convert to fraction form
207,160.83/285,879.11 = 116,516.75/x - Step 3: Cross multiply
207,160.83x = 285,879.11 × 116,516.75 - Step 4: Simplify right side
207,160.83x = 33,309,705,796.08 - Step 5: Solve for x
x = 33,309,705,796.08/207,160.83 - Step 6: Final answer
x = 160,791.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.