Finding the Fourth Proportional to 81,497.22, 122,251.26 and 22,327.92
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Solution
The fourth proportional to 81,497.22, 122,251.26 and 22,327.92 is: 33,493.37
Step by Step Solution
- Step 1: Write the proportion equation
81,497.22 : 122,251.26 = 22,327.92 : x - Step 2: Convert to fraction form
81,497.22/122,251.26 = 22,327.92/x - Step 3: Cross multiply
81,497.22x = 122,251.26 × 22,327.92 - Step 4: Simplify right side
81,497.22x = 2,729,616,353.18 - Step 5: Solve for x
x = 2,729,616,353.18/81,497.22 - Step 6: Final answer
x = 33,493.37
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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.