Finding the Fourth Proportional to 195,942.24, 270,379.62 and 115,364.52
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Solution
The fourth proportional to 195,942.24, 270,379.62 and 115,364.52 is: 159,190.87
Step by Step Solution
- Step 1: Write the proportion equation
195,942.24 : 270,379.62 = 115,364.52 : x - Step 2: Convert to fraction form
195,942.24/270,379.62 = 115,364.52/x - Step 3: Cross multiply
195,942.24x = 270,379.62 × 115,364.52 - Step 4: Simplify right side
195,942.24x = 31,192,215,079.08 - Step 5: Solve for x
x = 31,192,215,079.08/195,942.24 - Step 6: Final answer
x = 159,190.87
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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.