Finding the Fourth Proportional to 128,463.93, 192,647.97 and 44,200.26
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Solution
The fourth proportional to 128,463.93, 192,647.97 and 44,200.26 is: 66,283.90
Step by Step Solution
- Step 1: Write the proportion equation
128,463.93 : 192,647.97 = 44,200.26 : x - Step 2: Convert to fraction form
128,463.93/192,647.97 = 44,200.26/x - Step 3: Cross multiply
128,463.93x = 192,647.97 × 44,200.26 - Step 4: Simplify right side
128,463.93x = 8,515,090,362.47 - Step 5: Solve for x
x = 8,515,090,362.47/128,463.93 - Step 6: Final answer
x = 66,283.90
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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.