Finding the Fourth Proportional to 230,183.26, 317,668.87 and 139,543.05
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Solution
The fourth proportional to 230,183.26, 317,668.87 and 139,543.05 is: 192,579.09
Step by Step Solution
- Step 1: Write the proportion equation
230,183.26 : 317,668.87 = 139,543.05 : x - Step 2: Convert to fraction form
230,183.26/317,668.87 = 139,543.05/x - Step 3: Cross multiply
230,183.26x = 317,668.87 × 139,543.05 - Step 4: Simplify right side
230,183.26x = 44,328,481,993.02 - Step 5: Solve for x
x = 44,328,481,993.02/230,183.26 - Step 6: Final answer
x = 192,579.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.