Finding the Fourth Proportional to 122,330.70, 183,372.12 and 82,891.80
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Solution
The fourth proportional to 122,330.70, 183,372.12 and 82,891.80 is: 124,253.72
Step by Step Solution
- Step 1: Write the proportion equation
122,330.70 : 183,372.12 = 82,891.80 : x - Step 2: Convert to fraction form
122,330.70/183,372.12 = 82,891.80/x - Step 3: Cross multiply
122,330.70x = 183,372.12 × 82,891.80 - Step 4: Simplify right side
122,330.70x = 15,200,045,096.62 - Step 5: Solve for x
x = 15,200,045,096.62/122,330.70 - Step 6: Final answer
x = 124,253.72
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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.