Finding the Fourth Proportional to 229,277.20, 343,915.80 and 201,629.20
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Solution
The fourth proportional to 229,277.20, 343,915.80 and 201,629.20 is: 302,443.80
Step by Step Solution
- Step 1: Write the proportion equation
229,277.20 : 343,915.80 = 201,629.20 : x - Step 2: Convert to fraction form
229,277.20/343,915.80 = 201,629.20/x - Step 3: Cross multiply
229,277.20x = 343,915.80 × 201,629.20 - Step 4: Simplify right side
229,277.20x = 69,343,467,621.36 - Step 5: Solve for x
x = 69,343,467,621.36/229,277.20 - Step 6: Final answer
x = 302,443.80
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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.