Finding the Fourth Proportional to 219,768.05, 331,299.26 and 205,120.46
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Solution
The fourth proportional to 219,768.05, 331,299.26 and 205,120.46 is: 309,218.09
Step by Step Solution
- Step 1: Write the proportion equation
219,768.05 : 331,299.26 = 205,120.46 : x - Step 2: Convert to fraction form
219,768.05/331,299.26 = 205,120.46/x - Step 3: Cross multiply
219,768.05x = 331,299.26 × 205,120.46 - Step 4: Simplify right side
219,768.05x = 67,956,256,608.86 - Step 5: Solve for x
x = 67,956,256,608.86/219,768.05 - Step 6: Final answer
x = 309,218.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.