Finding the Fourth Proportional to 198,852.63, 274,371.15 and 112,791.07
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Solution
The fourth proportional to 198,852.63, 274,371.15 and 112,791.07 is: 155,625.88
Step by Step Solution
- Step 1: Write the proportion equation
198,852.63 : 274,371.15 = 112,791.07 : x - Step 2: Convert to fraction form
198,852.63/274,371.15 = 112,791.07/x - Step 3: Cross multiply
198,852.63x = 274,371.15 × 112,791.07 - Step 4: Simplify right side
198,852.63x = 30,946,615,585.63 - Step 5: Solve for x
x = 30,946,615,585.63/198,852.63 - Step 6: Final answer
x = 155,625.88
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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.