Finding the Fourth Proportional to 229,163.16, 343,739.46 and 134,990.75
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Solution
The fourth proportional to 229,163.16, 343,739.46 and 134,990.75 is: 202,483.01
Step by Step Solution
- Step 1: Write the proportion equation
229,163.16 : 343,739.46 = 134,990.75 : x - Step 2: Convert to fraction form
229,163.16/343,739.46 = 134,990.75/x - Step 3: Cross multiply
229,163.16x = 343,739.46 × 134,990.75 - Step 4: Simplify right side
229,163.16x = 46,401,645,791.30 - Step 5: Solve for x
x = 46,401,645,791.30/229,163.16 - Step 6: Final answer
x = 202,483.01
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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.