Finding the Fourth Proportional to 331,322.93, 457,213.64 and 202,476.97
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Solution
The fourth proportional to 331,322.93, 457,213.64 and 202,476.97 is: 279,410.88
Step by Step Solution
- Step 1: Write the proportion equation
331,322.93 : 457,213.64 = 202,476.97 : x - Step 2: Convert to fraction form
331,322.93/457,213.64 = 202,476.97/x - Step 3: Cross multiply
331,322.93x = 457,213.64 × 202,476.97 - Step 4: Simplify right side
331,322.93x = 92,575,230,183.80 - Step 5: Solve for x
x = 92,575,230,183.80/331,322.93 - Step 6: Final answer
x = 279,410.88
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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.