Finding the Fourth Proportional to 508,186.64, 762,736.84 and 271,731.44
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Solution
The fourth proportional to 508,186.64, 762,736.84 and 271,731.44 is: 407,841.46
Step by Step Solution
- Step 1: Write the proportion equation
508,186.64 : 762,736.84 = 271,731.44 : x - Step 2: Convert to fraction form
508,186.64/762,736.84 = 271,731.44/x - Step 3: Cross multiply
508,186.64x = 762,736.84 × 271,731.44 - Step 4: Simplify right side
508,186.64x = 207,259,579,874.25 - Step 5: Solve for x
x = 207,259,579,874.25/508,186.64 - Step 6: Final answer
x = 407,841.46
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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.