Finding the Fourth Proportional to 229,157.20, 343,044.60 and 201,509.20
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Solution
The fourth proportional to 229,157.20, 343,044.60 and 201,509.20 is: 301,655.99
Step by Step Solution
- Step 1: Write the proportion equation
229,157.20 : 343,044.60 = 201,509.20 : x - Step 2: Convert to fraction form
229,157.20/343,044.60 = 201,509.20/x - Step 3: Cross multiply
229,157.20x = 343,044.60 × 201,509.20 - Step 4: Simplify right side
229,157.20x = 69,126,642,910.32 - Step 5: Solve for x
x = 69,126,642,910.32/229,157.20 - Step 6: Final answer
x = 301,655.99
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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.