Finding the Fourth Proportional to 878,275.20, 1,317,413.26 and 247,189.02
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Solution
The fourth proportional to 878,275.20, 1,317,413.26 and 247,189.02 is: 370,783.65
Step by Step Solution
- Step 1: Write the proportion equation
878,275.20 : 1,317,413.26 = 247,189.02 : x - Step 2: Convert to fraction form
878,275.20/1,317,413.26 = 247,189.02/x - Step 3: Cross multiply
878,275.20x = 1,317,413.26 × 247,189.02 - Step 4: Simplify right side
878,275.20x = 325,650,088,043.09 - Step 5: Solve for x
x = 325,650,088,043.09/878,275.20 - Step 6: Final answer
x = 370,783.65
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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.