Finding the Fourth Proportional to 201,163.80, 301,940.10 and 122,431.80
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Solution
The fourth proportional to 201,163.80, 301,940.10 and 122,431.80 is: 183,766.02
Step by Step Solution
- Step 1: Write the proportion equation
201,163.80 : 301,940.10 = 122,431.80 : x - Step 2: Convert to fraction form
201,163.80/301,940.10 = 122,431.80/x - Step 3: Cross multiply
201,163.80x = 301,940.10 × 122,431.80 - Step 4: Simplify right side
201,163.80x = 36,967,069,935.18 - Step 5: Solve for x
x = 36,967,069,935.18/201,163.80 - Step 6: Final answer
x = 183,766.02
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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.