Finding the Fourth Proportional to 343,806.75, 515,917.50 and 146,814.75
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Solution
The fourth proportional to 343,806.75, 515,917.50 and 146,814.75 is: 220,310.68
Step by Step Solution
- Step 1: Write the proportion equation
343,806.75 : 515,917.50 = 146,814.75 : x - Step 2: Convert to fraction form
343,806.75/515,917.50 = 146,814.75/x - Step 3: Cross multiply
343,806.75x = 515,917.50 × 146,814.75 - Step 4: Simplify right side
343,806.75x = 75,744,298,783.13 - Step 5: Solve for x
x = 75,744,298,783.13/343,806.75 - Step 6: Final answer
x = 220,310.68
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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.