Finding the Fourth Proportional to 66,804.91, 100,212.63 and 22,431.49
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Solution
The fourth proportional to 66,804.91, 100,212.63 and 22,431.49 is: 33,649.00
Step by Step Solution
- Step 1: Write the proportion equation
66,804.91 : 100,212.63 = 22,431.49 : x - Step 2: Convert to fraction form
66,804.91/100,212.63 = 22,431.49/x - Step 3: Cross multiply
66,804.91x = 100,212.63 × 22,431.49 - Step 4: Simplify right side
66,804.91x = 2,247,918,607.72 - Step 5: Solve for x
x = 2,247,918,607.72/66,804.91 - Step 6: Final answer
x = 33,649.00
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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.