Finding the Fourth Proportional to 276,902.26, 415,353.34 and 66,540.19
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Solution
The fourth proportional to 276,902.26, 415,353.34 and 66,540.19 is: 99,810.27
Step by Step Solution
- Step 1: Write the proportion equation
276,902.26 : 415,353.34 = 66,540.19 : x - Step 2: Convert to fraction form
276,902.26/415,353.34 = 66,540.19/x - Step 3: Cross multiply
276,902.26x = 415,353.34 × 66,540.19 - Step 4: Simplify right side
276,902.26x = 27,637,690,160.73 - Step 5: Solve for x
x = 27,637,690,160.73/276,902.26 - Step 6: Final answer
x = 99,810.27
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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.