Finding the Fourth Proportional to 853,396.73, 1,280,351.97 and 254,357.84
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Solution
The fourth proportional to 853,396.73, 1,280,351.97 and 254,357.84 is: 381,613.32
Step by Step Solution
- Step 1: Write the proportion equation
853,396.73 : 1,280,351.97 = 254,357.84 : x - Step 2: Convert to fraction form
853,396.73/1,280,351.97 = 254,357.84/x - Step 3: Cross multiply
853,396.73x = 1,280,351.97 × 254,357.84 - Step 4: Simplify right side
853,396.73x = 325,667,555,127.19 - Step 5: Solve for x
x = 325,667,555,127.19/853,396.73 - Step 6: Final answer
x = 381,613.32
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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.