Finding the Fourth Proportional to 188,231.65, 259,764.20 and 102,194.26
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Solution
The fourth proportional to 188,231.65, 259,764.20 and 102,194.26 is: 141,030.53
Step by Step Solution
- Step 1: Write the proportion equation
188,231.65 : 259,764.20 = 102,194.26 : x - Step 2: Convert to fraction form
188,231.65/259,764.20 = 102,194.26/x - Step 3: Cross multiply
188,231.65x = 259,764.20 × 102,194.26 - Step 4: Simplify right side
188,231.65x = 26,546,410,193.49 - Step 5: Solve for x
x = 26,546,410,193.49/188,231.65 - Step 6: Final answer
x = 141,030.53
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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.