Finding the Fourth Proportional to 265,905.13, 398,857.75 and 88,413.68
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Solution
The fourth proportional to 265,905.13, 398,857.75 and 88,413.68 is: 132,620.54
Step by Step Solution
- Step 1: Write the proportion equation
265,905.13 : 398,857.75 = 88,413.68 : x - Step 2: Convert to fraction form
265,905.13/398,857.75 = 88,413.68/x - Step 3: Cross multiply
265,905.13x = 398,857.75 × 88,413.68 - Step 4: Simplify right side
265,905.13x = 35,264,481,474.02 - Step 5: Solve for x
x = 35,264,481,474.02/265,905.13 - Step 6: Final answer
x = 132,620.54
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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.