Finding the Fourth Proportional to 313,062.39, 469,389.42 and 206,122.68
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Solution
The fourth proportional to 313,062.39, 469,389.42 and 206,122.68 is: 309,049.60
Step by Step Solution
- Step 1: Write the proportion equation
313,062.39 : 469,389.42 = 206,122.68 : x - Step 2: Convert to fraction form
313,062.39/469,389.42 = 206,122.68/x - Step 3: Cross multiply
313,062.39x = 469,389.42 × 206,122.68 - Step 4: Simplify right side
313,062.39x = 96,751,805,214.05 - Step 5: Solve for x
x = 96,751,805,214.05/313,062.39 - Step 6: Final answer
x = 309,049.60
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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.