Finding the Fourth Proportional to 471,137.26, 706,939.40 and 186,821.70
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Solution
The fourth proportional to 471,137.26, 706,939.40 and 186,821.70 is: 280,325.14
Step by Step Solution
- Step 1: Write the proportion equation
471,137.26 : 706,939.40 = 186,821.70 : x - Step 2: Convert to fraction form
471,137.26/706,939.40 = 186,821.70/x - Step 3: Cross multiply
471,137.26x = 706,939.40 × 186,821.70 - Step 4: Simplify right side
471,137.26x = 132,071,620,504.98 - Step 5: Solve for x
x = 132,071,620,504.98/471,137.26 - Step 6: Final answer
x = 280,325.14
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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.