Finding the Fourth Proportional to 229,162.41, 343,738.34 and 134,990.00
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Solution
The fourth proportional to 229,162.41, 343,738.34 and 134,990.00 is: 202,481.88
Step by Step Solution
- Step 1: Write the proportion equation
229,162.41 : 343,738.34 = 134,990.00 : x - Step 2: Convert to fraction form
229,162.41/343,738.34 = 134,990.00/x - Step 3: Cross multiply
229,162.41x = 343,738.34 × 134,990.00 - Step 4: Simplify right side
229,162.41x = 46,401,236,122.96 - Step 5: Solve for x
x = 46,401,236,122.96/229,162.41 - Step 6: Final answer
x = 202,481.88
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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.