Finding the Fourth Proportional to 69,418.14, 104,126.28 and 16,828.08
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Solution
The fourth proportional to 69,418.14, 104,126.28 and 16,828.08 is: 25,241.89
Step by Step Solution
- Step 1: Write the proportion equation
69,418.14 : 104,126.28 = 16,828.08 : x - Step 2: Convert to fraction form
69,418.14/104,126.28 = 16,828.08/x - Step 3: Cross multiply
69,418.14x = 104,126.28 × 16,828.08 - Step 4: Simplify right side
69,418.14x = 1,752,245,369.94 - Step 5: Solve for x
x = 1,752,245,369.94/69,418.14 - Step 6: Final answer
x = 25,241.89
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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.