Finding the Fourth Proportional to 355,126.88, 490,072.19 and 193,981.97
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Solution
The fourth proportional to 355,126.88, 490,072.19 and 193,981.97 is: 267,693.53
Step by Step Solution
- Step 1: Write the proportion equation
355,126.88 : 490,072.19 = 193,981.97 : x - Step 2: Convert to fraction form
355,126.88/490,072.19 = 193,981.97/x - Step 3: Cross multiply
355,126.88x = 490,072.19 × 193,981.97 - Step 4: Simplify right side
355,126.88x = 95,065,165,438.14 - Step 5: Solve for x
x = 95,065,165,438.14/355,126.88 - Step 6: Final answer
x = 267,693.53
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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.