Finding the Fourth Proportional to 229,119.68, 343,701.84 and 85,064.24
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Solution
The fourth proportional to 229,119.68, 343,701.84 and 85,064.24 is: 127,604.65
Step by Step Solution
- Step 1: Write the proportion equation
229,119.68 : 343,701.84 = 85,064.24 : x - Step 2: Convert to fraction form
229,119.68/343,701.84 = 85,064.24/x - Step 3: Cross multiply
229,119.68x = 343,701.84 × 85,064.24 - Step 4: Simplify right side
229,119.68x = 29,236,735,806.20 - Step 5: Solve for x
x = 29,236,735,806.20/229,119.68 - Step 6: Final answer
x = 127,604.65
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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.