Finding the Fourth Proportional to 263,912.91, 395,572.29 and 130,888.63
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Solution
The fourth proportional to 263,912.91, 395,572.29 and 130,888.63 is: 196,185.61
Step by Step Solution
- Step 1: Write the proportion equation
263,912.91 : 395,572.29 = 130,888.63 : x - Step 2: Convert to fraction form
263,912.91/395,572.29 = 130,888.63/x - Step 3: Cross multiply
263,912.91x = 395,572.29 × 130,888.63 - Step 4: Simplify right side
263,912.91x = 51,775,915,104.06 - Step 5: Solve for x
x = 51,775,915,104.06/263,912.91 - Step 6: Final answer
x = 196,185.61
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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.