Finding the Fourth Proportional to 229,723.80, 343,613.70 and 206,201.40
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Solution
The fourth proportional to 229,723.80, 343,613.70 and 206,201.40 is: 308,429.63
Step by Step Solution
- Step 1: Write the proportion equation
229,723.80 : 343,613.70 = 206,201.40 : x - Step 2: Convert to fraction form
229,723.80/343,613.70 = 206,201.40/x - Step 3: Cross multiply
229,723.80x = 343,613.70 × 206,201.40 - Step 4: Simplify right side
229,723.80x = 70,853,625,999.18 - Step 5: Solve for x
x = 70,853,625,999.18/229,723.80 - Step 6: Final answer
x = 308,429.63
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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.