Finding the Fourth Proportional to 268,138.68, 370,015.02 and 147,256.44
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Solution
The fourth proportional to 268,138.68, 370,015.02 and 147,256.44 is: 203,204.90
Step by Step Solution
- Step 1: Write the proportion equation
268,138.68 : 370,015.02 = 147,256.44 : x - Step 2: Convert to fraction form
268,138.68/370,015.02 = 147,256.44/x - Step 3: Cross multiply
268,138.68x = 370,015.02 × 147,256.44 - Step 4: Simplify right side
268,138.68x = 54,487,094,591.73 - Step 5: Solve for x
x = 54,487,094,591.73/268,138.68 - Step 6: Final answer
x = 203,204.90
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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.