Finding the Fourth Proportional to 783,198.76, 1,174,799.07 and 214,584.70
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Solution
The fourth proportional to 783,198.76, 1,174,799.07 and 214,584.70 is: 321,877.30
Step by Step Solution
- Step 1: Write the proportion equation
783,198.76 : 1,174,799.07 = 214,584.70 : x - Step 2: Convert to fraction form
783,198.76/1,174,799.07 = 214,584.70/x - Step 3: Cross multiply
783,198.76x = 1,174,799.07 × 214,584.70 - Step 4: Simplify right side
783,198.76x = 252,093,905,996.23 - Step 5: Solve for x
x = 252,093,905,996.23/783,198.76 - Step 6: Final answer
x = 321,877.30
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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.