Finding the Fourth Proportional to 263,013.73, 393,905.50 and 129,464.57
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Solution
The fourth proportional to 263,013.73, 393,905.50 and 129,464.57 is: 193,894.09
Step by Step Solution
- Step 1: Write the proportion equation
263,013.73 : 393,905.50 = 129,464.57 : x - Step 2: Convert to fraction form
263,013.73/393,905.50 = 129,464.57/x - Step 3: Cross multiply
263,013.73x = 393,905.50 × 129,464.57 - Step 4: Simplify right side
263,013.73x = 50,996,806,839.24 - Step 5: Solve for x
x = 50,996,806,839.24/263,013.73 - Step 6: Final answer
x = 193,894.09
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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.