Finding the Fourth Proportional to 461,719.23, 637,183.23 and 289,644.43
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Solution
The fourth proportional to 461,719.23, 637,183.23 and 289,644.43 is: 399,716.02
Step by Step Solution
- Step 1: Write the proportion equation
461,719.23 : 637,183.23 = 289,644.43 : x - Step 2: Convert to fraction form
461,719.23/637,183.23 = 289,644.43/x - Step 3: Cross multiply
461,719.23x = 637,183.23 × 289,644.43 - Step 4: Simplify right side
461,719.23x = 184,556,573,458.91 - Step 5: Solve for x
x = 184,556,573,458.91/461,719.23 - Step 6: Final answer
x = 399,716.02
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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.