Finding the Fourth Proportional to 229,745.20, 343,840.20 and 201,751.60
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Solution
The fourth proportional to 229,745.20, 343,840.20 and 201,751.60 is: 301,944.55
Step by Step Solution
- Step 1: Write the proportion equation
229,745.20 : 343,840.20 = 201,751.60 : x - Step 2: Convert to fraction form
229,745.20/343,840.20 = 201,751.60/x - Step 3: Cross multiply
229,745.20x = 343,840.20 × 201,751.60 - Step 4: Simplify right side
229,745.20x = 69,370,310,494.32 - Step 5: Solve for x
x = 69,370,310,494.32/229,745.20 - Step 6: Final answer
x = 301,944.55
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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.