Finding the Fourth Proportional to 325,145.70, 487,718.55 and 246,413.70
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Solution
The fourth proportional to 325,145.70, 487,718.55 and 246,413.70 is: 369,620.55
Step by Step Solution
- Step 1: Write the proportion equation
325,145.70 : 487,718.55 = 246,413.70 : x - Step 2: Convert to fraction form
325,145.70/487,718.55 = 246,413.70/x - Step 3: Cross multiply
325,145.70x = 487,718.55 × 246,413.70 - Step 4: Simplify right side
325,145.70x = 120,180,532,464.14 - Step 5: Solve for x
x = 120,180,532,464.14/325,145.70 - Step 6: Final answer
x = 369,620.55
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1.5x scale
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.