Finding the Fourth Proportional to 268,544.63, 370,583.12 and 147,685.55
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Solution
The fourth proportional to 268,544.63, 370,583.12 and 147,685.55 is: 203,801.39
Step by Step Solution
- Step 1: Write the proportion equation
268,544.63 : 370,583.12 = 147,685.55 : x - Step 2: Convert to fraction form
268,544.63/370,583.12 = 147,685.55/x - Step 3: Cross multiply
268,544.63x = 370,583.12 × 147,685.55 - Step 4: Simplify right side
268,544.63x = 54,729,770,414.21 - Step 5: Solve for x
x = 54,729,770,414.21/268,544.63 - Step 6: Final answer
x = 203,801.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.