Finding the Fourth Proportional to 647,912.28, 971,891.19 and 174,608.94
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Solution
The fourth proportional to 647,912.28, 971,891.19 and 174,608.94 is: 261,919.55
Step by Step Solution
- Step 1: Write the proportion equation
647,912.28 : 971,891.19 = 174,608.94 : x - Step 2: Convert to fraction form
647,912.28/971,891.19 = 174,608.94/x - Step 3: Cross multiply
647,912.28x = 971,891.19 × 174,608.94 - Step 4: Simplify right side
647,912.28x = 169,700,890,481.24 - Step 5: Solve for x
x = 169,700,890,481.24/647,912.28 - Step 6: Final answer
x = 261,919.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.