Finding the Fourth Proportional to 845,260.12, 1,267,968.32 and 305,651.08
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Solution
The fourth proportional to 845,260.12, 1,267,968.32 and 305,651.08 is: 458,504.88
Step by Step Solution
- Step 1: Write the proportion equation
845,260.12 : 1,267,968.32 = 305,651.08 : x - Step 2: Convert to fraction form
845,260.12/1,267,968.32 = 305,651.08/x - Step 3: Cross multiply
845,260.12x = 1,267,968.32 × 305,651.08 - Step 4: Simplify right side
845,260.12x = 387,555,886,413.79 - Step 5: Solve for x
x = 387,555,886,413.79/845,260.12 - Step 6: Final answer
x = 458,504.88
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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.