Finding the Fourth Proportional to 181,960.26, 251,209.36 and 121,633.08
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Solution
The fourth proportional to 181,960.26, 251,209.36 and 121,633.08 is: 167,923.30
Step by Step Solution
- Step 1: Write the proportion equation
181,960.26 : 251,209.36 = 121,633.08 : x - Step 2: Convert to fraction form
181,960.26/251,209.36 = 121,633.08/x - Step 3: Cross multiply
181,960.26x = 251,209.36 × 121,633.08 - Step 4: Simplify right side
181,960.26x = 30,555,368,181.63 - Step 5: Solve for x
x = 30,555,368,181.63/181,960.26 - Step 6: Final answer
x = 167,923.30
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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.