Finding the Fourth Proportional to 463,143.64, 639,093.84 and 259,183.96
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Solution
The fourth proportional to 463,143.64, 639,093.84 and 259,183.96 is: 357,649.03
Step by Step Solution
- Step 1: Write the proportion equation
463,143.64 : 639,093.84 = 259,183.96 : x - Step 2: Convert to fraction form
463,143.64/639,093.84 = 259,183.96/x - Step 3: Cross multiply
463,143.64x = 639,093.84 × 259,183.96 - Step 4: Simplify right side
463,143.64x = 165,642,872,262.81 - Step 5: Solve for x
x = 165,642,872,262.81/463,143.64 - Step 6: Final answer
x = 357,649.03
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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.