Finding the Fourth Proportional to 404,902.89, 558,765.99 and 235,147.95
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Solution
The fourth proportional to 404,902.89, 558,765.99 and 235,147.95 is: 324,504.17
Step by Step Solution
- Step 1: Write the proportion equation
404,902.89 : 558,765.99 = 235,147.95 : x - Step 2: Convert to fraction form
404,902.89/558,765.99 = 235,147.95/x - Step 3: Cross multiply
404,902.89x = 558,765.99 × 235,147.95 - Step 4: Simplify right side
404,902.89x = 131,392,677,078.22 - Step 5: Solve for x
x = 131,392,677,078.22/404,902.89 - Step 6: Final answer
x = 324,504.17
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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.