Finding the Fourth Proportional to 691,054.49, 1,036,634.21 and 235,504.14
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Solution
The fourth proportional to 691,054.49, 1,036,634.21 and 235,504.14 is: 353,274.09
Step by Step Solution
- Step 1: Write the proportion equation
691,054.49 : 1,036,634.21 = 235,504.14 : x - Step 2: Convert to fraction form
691,054.49/1,036,634.21 = 235,504.14/x - Step 3: Cross multiply
691,054.49x = 1,036,634.21 × 235,504.14 - Step 4: Simplify right side
691,054.49x = 244,131,648,120.63 - Step 5: Solve for x
x = 244,131,648,120.63/691,054.49 - Step 6: Final answer
x = 353,274.09
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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.