Finding the Fourth Proportional to 263,566.14, 363,721.98 and 142,708.92
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Solution
The fourth proportional to 263,566.14, 363,721.98 and 142,708.92 is: 196,938.69
Step by Step Solution
- Step 1: Write the proportion equation
263,566.14 : 363,721.98 = 142,708.92 : x - Step 2: Convert to fraction form
263,566.14/363,721.98 = 142,708.92/x - Step 3: Cross multiply
263,566.14x = 363,721.98 × 142,708.92 - Step 4: Simplify right side
263,566.14x = 51,906,370,946.06 - Step 5: Solve for x
x = 51,906,370,946.06/263,566.14 - Step 6: Final answer
x = 196,938.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.