Finding the Fourth Proportional to 68,266.80, 102,400.23 and 21,523.32
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Solution
The fourth proportional to 68,266.80, 102,400.23 and 21,523.32 is: 32,284.99
Step by Step Solution
- Step 1: Write the proportion equation
68,266.80 : 102,400.23 = 21,523.32 : x - Step 2: Convert to fraction form
68,266.80/102,400.23 = 21,523.32/x - Step 3: Cross multiply
68,266.80x = 102,400.23 × 21,523.32 - Step 4: Simplify right side
68,266.80x = 2,203,992,918.36 - Step 5: Solve for x
x = 2,203,992,918.36/68,266.80 - Step 6: Final answer
x = 32,284.99
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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.