Finding the Fourth Proportional to 819,251.75, 1,229,084.99 and 228,275.75
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Solution
The fourth proportional to 819,251.75, 1,229,084.99 and 228,275.75 is: 342,471.41
Step by Step Solution
- Step 1: Write the proportion equation
819,251.75 : 1,229,084.99 = 228,275.75 : x - Step 2: Convert to fraction form
819,251.75/1,229,084.99 = 228,275.75/x - Step 3: Cross multiply
819,251.75x = 1,229,084.99 × 228,275.75 - Step 4: Simplify right side
819,251.75x = 280,570,297,905.99 - Step 5: Solve for x
x = 280,570,297,905.99/819,251.75 - Step 6: Final answer
x = 342,471.41
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1.5x scale
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.