Finding the Fourth Proportional to 729,270.24, 1,093,905.36 and 196,790.42
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Solution
The fourth proportional to 729,270.24, 1,093,905.36 and 196,790.42 is: 295,185.63
Step by Step Solution
- Step 1: Write the proportion equation
729,270.24 : 1,093,905.36 = 196,790.42 : x - Step 2: Convert to fraction form
729,270.24/1,093,905.36 = 196,790.42/x - Step 3: Cross multiply
729,270.24x = 1,093,905.36 × 196,790.42 - Step 4: Simplify right side
729,270.24x = 215,270,093,346.38 - Step 5: Solve for x
x = 215,270,093,346.38/729,270.24 - Step 6: Final answer
x = 295,185.63
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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.