Finding the Fourth Proportional to 258,736.24, 357,027.12 and 145,556.56
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Solution
The fourth proportional to 258,736.24, 357,027.12 and 145,556.56 is: 200,851.80
Step by Step Solution
- Step 1: Write the proportion equation
258,736.24 : 357,027.12 = 145,556.56 : x - Step 2: Convert to fraction form
258,736.24/357,027.12 = 145,556.56/x - Step 3: Cross multiply
258,736.24x = 357,027.12 × 145,556.56 - Step 4: Simplify right side
258,736.24x = 51,967,639,413.91 - Step 5: Solve for x
x = 51,967,639,413.91/258,736.24 - Step 6: Final answer
x = 200,851.80
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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.