Finding the Fourth Proportional to 168,072.26, 252,103.28 and 68,230.04
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Solution
The fourth proportional to 168,072.26, 252,103.28 and 68,230.04 is: 102,342.99
Step by Step Solution
- Step 1: Write the proportion equation
168,072.26 : 252,103.28 = 68,230.04 : x - Step 2: Convert to fraction form
168,072.26/252,103.28 = 68,230.04/x - Step 3: Cross multiply
168,072.26x = 252,103.28 × 68,230.04 - Step 4: Simplify right side
168,072.26x = 17,201,016,878.53 - Step 5: Solve for x
x = 17,201,016,878.53/168,072.26 - Step 6: Final answer
x = 102,342.99
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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.