Finding the Fourth Proportional to 68,266.23, 102,399.33 and 21,519.09
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Solution
The fourth proportional to 68,266.23, 102,399.33 and 21,519.09 is: 32,278.63
Step by Step Solution
- Step 1: Write the proportion equation
68,266.23 : 102,399.33 = 21,519.09 : x - Step 2: Convert to fraction form
68,266.23/102,399.33 = 21,519.09/x - Step 3: Cross multiply
68,266.23x = 102,399.33 × 21,519.09 - Step 4: Simplify right side
68,266.23x = 2,203,540,398.21 - Step 5: Solve for x
x = 2,203,540,398.21/68,266.23 - Step 6: Final answer
x = 32,278.63
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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.