Finding the Fourth Proportional to 161,760.44, 242,640.68 and 49,440.98
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Solution
The fourth proportional to 161,760.44, 242,640.68 and 49,440.98 is: 74,161.48
Step by Step Solution
- Step 1: Write the proportion equation
161,760.44 : 242,640.68 = 49,440.98 : x - Step 2: Convert to fraction form
161,760.44/242,640.68 = 49,440.98/x - Step 3: Cross multiply
161,760.44x = 242,640.68 × 49,440.98 - Step 4: Simplify right side
161,760.44x = 11,996,393,366.46 - Step 5: Solve for x
x = 11,996,393,366.46/161,760.44 - Step 6: Final answer
x = 74,161.48
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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.