Finding the Fourth Proportional to 81,453.36, 122,175.46 and 22,284.67
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Solution
The fourth proportional to 81,453.36, 122,175.46 and 22,284.67 is: 33,425.75
Step by Step Solution
- Step 1: Write the proportion equation
81,453.36 : 122,175.46 = 22,284.67 : x - Step 2: Convert to fraction form
81,453.36/122,175.46 = 22,284.67/x - Step 3: Cross multiply
81,453.36x = 122,175.46 × 22,284.67 - Step 4: Simplify right side
81,453.36x = 2,722,639,808.20 - Step 5: Solve for x
x = 2,722,639,808.20/81,453.36 - Step 6: Final answer
x = 33,425.75
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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.