Finding the Fourth Proportional to 229,368.20, 343,361.10 and 201,720.20
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Solution
The fourth proportional to 229,368.20, 343,361.10 and 201,720.20 is: 301,972.42
Step by Step Solution
- Step 1: Write the proportion equation
229,368.20 : 343,361.10 = 201,720.20 : x - Step 2: Convert to fraction form
229,368.20/343,361.10 = 201,720.20/x - Step 3: Cross multiply
229,368.20x = 343,361.10 × 201,720.20 - Step 4: Simplify right side
229,368.20x = 69,262,869,764.22 - Step 5: Solve for x
x = 69,262,869,764.22/229,368.20 - Step 6: Final answer
x = 301,972.42
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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.