Finding the Fourth Proportional to 190,842.74, 263,357.97 and 105,957.62
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Solution
The fourth proportional to 190,842.74, 263,357.97 and 105,957.62 is: 146,218.73
Step by Step Solution
- Step 1: Write the proportion equation
190,842.74 : 263,357.97 = 105,957.62 : x - Step 2: Convert to fraction form
190,842.74/263,357.97 = 105,957.62/x - Step 3: Cross multiply
190,842.74x = 263,357.97 × 105,957.62 - Step 4: Simplify right side
190,842.74x = 27,904,783,709.23 - Step 5: Solve for x
x = 27,904,783,709.23/190,842.74 - Step 6: Final answer
x = 146,218.73
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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.