Finding the Fourth Proportional to 190,998.91, 263,586.69 and 106,115.97
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Solution
The fourth proportional to 190,998.91, 263,586.69 and 106,115.97 is: 146,444.59
Step by Step Solution
- Step 1: Write the proportion equation
190,998.91 : 263,586.69 = 106,115.97 : x - Step 2: Convert to fraction form
190,998.91/263,586.69 = 106,115.97/x - Step 3: Cross multiply
190,998.91x = 263,586.69 × 106,115.97 - Step 4: Simplify right side
190,998.91x = 27,970,757,224.25 - Step 5: Solve for x
x = 27,970,757,224.25/190,998.91 - Step 6: Final answer
x = 146,444.59
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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.