Finding the Fourth Proportional to 259,957.75, 389,936.64 and 93,745.75
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Solution
The fourth proportional to 259,957.75, 389,936.64 and 93,745.75 is: 140,618.63
Step by Step Solution
- Step 1: Write the proportion equation
259,957.75 : 389,936.64 = 93,745.75 : x - Step 2: Convert to fraction form
259,957.75/389,936.64 = 93,745.75/x - Step 3: Cross multiply
259,957.75x = 389,936.64 × 93,745.75 - Step 4: Simplify right side
259,957.75x = 36,554,902,769.28 - Step 5: Solve for x
x = 36,554,902,769.28/259,957.75 - Step 6: Final answer
x = 140,618.63
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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.