Finding the Fourth Proportional to 146,982.51, 220,375.17 and 68,053.68
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Solution
The fourth proportional to 146,982.51, 220,375.17 and 68,053.68 is: 102,034.87
Step by Step Solution
- Step 1: Write the proportion equation
146,982.51 : 220,375.17 = 68,053.68 : x - Step 2: Convert to fraction form
146,982.51/220,375.17 = 68,053.68/x - Step 3: Cross multiply
146,982.51x = 220,375.17 × 68,053.68 - Step 4: Simplify right side
146,982.51x = 14,997,341,299.13 - Step 5: Solve for x
x = 14,997,341,299.13/146,982.51 - Step 6: Final answer
x = 102,034.87
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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.