Finding the Fourth Proportional to 341,743.40, 512,615.10 and 325,413.80
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Solution
The fourth proportional to 341,743.40, 512,615.10 and 325,413.80 is: 488,120.70
Step by Step Solution
- Step 1: Write the proportion equation
341,743.40 : 512,615.10 = 325,413.80 : x - Step 2: Convert to fraction form
341,743.40/512,615.10 = 325,413.80/x - Step 3: Cross multiply
341,743.40x = 512,615.10 × 325,413.80 - Step 4: Simplify right side
341,743.40x = 166,812,027,628.38 - Step 5: Solve for x
x = 166,812,027,628.38/341,743.40 - Step 6: Final answer
x = 488,120.70
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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.