Finding the Fourth Proportional to 283,612.70, 396,532.90 and 283,612.70
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Solution
The fourth proportional to 283,612.70, 396,532.90 and 283,612.70 is: 396,532.90
Step by Step Solution
- Step 1: Write the proportion equation
283,612.70 : 396,532.90 = 283,612.70 : x - Step 2: Convert to fraction form
283,612.70/396,532.90 = 283,612.70/x - Step 3: Cross multiply
283,612.70x = 396,532.90 × 283,612.70 - Step 4: Simplify right side
283,612.70x = 112,461,766,407.83 - Step 5: Solve for x
x = 112,461,766,407.83/283,612.70 - Step 6: Final answer
x = 396,532.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.