Finding the Fourth Proportional to 208,522.26, 312,735.42 and 124,306.20
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Solution
The fourth proportional to 208,522.26, 312,735.42 and 124,306.20 is: 186,430.70
Step by Step Solution
- Step 1: Write the proportion equation
208,522.26 : 312,735.42 = 124,306.20 : x - Step 2: Convert to fraction form
208,522.26/312,735.42 = 124,306.20/x - Step 3: Cross multiply
208,522.26x = 312,735.42 × 124,306.20 - Step 4: Simplify right side
208,522.26x = 38,874,951,665.60 - Step 5: Solve for x
x = 38,874,951,665.60/208,522.26 - Step 6: Final answer
x = 186,430.70
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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.