Finding the Fourth Proportional to 203,903.12, 281,408.49 and 123,375.08
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Solution
The fourth proportional to 203,903.12, 281,408.49 and 123,375.08 is: 170,271.03
Step by Step Solution
- Step 1: Write the proportion equation
203,903.12 : 281,408.49 = 123,375.08 : x - Step 2: Convert to fraction form
203,903.12/281,408.49 = 123,375.08/x - Step 3: Cross multiply
203,903.12x = 281,408.49 × 123,375.08 - Step 4: Simplify right side
203,903.12x = 34,718,794,966.43 - Step 5: Solve for x
x = 34,718,794,966.43/203,903.12 - Step 6: Final answer
x = 170,271.03
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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.