Finding the Fourth Proportional to 337,089.33, 505,709.42 and 126,729.09
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Solution
The fourth proportional to 337,089.33, 505,709.42 and 126,729.09 is: 190,121.99
Step by Step Solution
- Step 1: Write the proportion equation
337,089.33 : 505,709.42 = 126,729.09 : x - Step 2: Convert to fraction form
337,089.33/505,709.42 = 126,729.09/x - Step 3: Cross multiply
337,089.33x = 505,709.42 × 126,729.09 - Step 4: Simplify right side
337,089.33x = 64,088,093,967.38 - Step 5: Solve for x
x = 64,088,093,967.38/337,089.33 - Step 6: Final answer
x = 190,121.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.