Finding the Fourth Proportional to 376,163.07, 519,104.97 and 215,021.58
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Solution
The fourth proportional to 376,163.07, 519,104.97 and 215,021.58 is: 296,729.74
Step by Step Solution
- Step 1: Write the proportion equation
376,163.07 : 519,104.97 = 215,021.58 : x - Step 2: Convert to fraction form
376,163.07/519,104.97 = 215,021.58/x - Step 3: Cross multiply
376,163.07x = 519,104.97 × 215,021.58 - Step 4: Simplify right side
376,163.07x = 111,618,770,835.25 - Step 5: Solve for x
x = 111,618,770,835.25/376,163.07 - Step 6: Final answer
x = 296,729.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.