Finding the Fourth Proportional to 193,876.80, 290,661.60 and 106,324.80
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Solution
The fourth proportional to 193,876.80, 290,661.60 and 106,324.80 is: 159,402.96
Step by Step Solution
- Step 1: Write the proportion equation
193,876.80 : 290,661.60 = 106,324.80 : x - Step 2: Convert to fraction form
193,876.80/290,661.60 = 106,324.80/x - Step 3: Cross multiply
193,876.80x = 290,661.60 × 106,324.80 - Step 4: Simplify right side
193,876.80x = 30,904,536,487.68 - Step 5: Solve for x
x = 30,904,536,487.68/193,876.80 - Step 6: Final answer
x = 159,402.96
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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.