Finding the Fourth Proportional to 486,680.18, 729,893.55 and 206,052.98
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Solution
The fourth proportional to 486,680.18, 729,893.55 and 206,052.98 is: 309,025.82
Step by Step Solution
- Step 1: Write the proportion equation
486,680.18 : 729,893.55 = 206,052.98 : x - Step 2: Convert to fraction form
486,680.18/729,893.55 = 206,052.98/x - Step 3: Cross multiply
486,680.18x = 729,893.55 × 206,052.98 - Step 4: Simplify right side
486,680.18x = 150,396,741,060.28 - Step 5: Solve for x
x = 150,396,741,060.28/486,680.18 - Step 6: Final answer
x = 309,025.82
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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.