Finding the Fourth Proportional to 66,767.44, 100,163.32 and 22,398.88
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Solution
The fourth proportional to 66,767.44, 100,163.32 and 22,398.88 is: 33,602.40
Step by Step Solution
- Step 1: Write the proportion equation
66,767.44 : 100,163.32 = 22,398.88 : x - Step 2: Convert to fraction form
66,767.44/100,163.32 = 22,398.88/x - Step 3: Cross multiply
66,767.44x = 100,163.32 × 22,398.88 - Step 4: Simplify right side
66,767.44x = 2,243,546,185.08 - Step 5: Solve for x
x = 2,243,546,185.08/66,767.44 - Step 6: Final answer
x = 33,602.40
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1.5x scale
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.