Finding the Fourth Proportional to 168,511.05, 252,618.48 and 68,755.23
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Solution
The fourth proportional to 168,511.05, 252,618.48 and 68,755.23 is: 103,072.42
Step by Step Solution
- Step 1: Write the proportion equation
168,511.05 : 252,618.48 = 68,755.23 : x - Step 2: Convert to fraction form
168,511.05/252,618.48 = 68,755.23/x - Step 3: Cross multiply
168,511.05x = 252,618.48 × 68,755.23 - Step 4: Simplify right side
168,511.05x = 17,368,841,694.65 - Step 5: Solve for x
x = 17,368,841,694.65/168,511.05 - Step 6: Final answer
x = 103,072.42
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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.