Finding the Fourth Proportional to 292,512.96, 438,735.12 and 82,168.80
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Solution
The fourth proportional to 292,512.96, 438,735.12 and 82,168.80 is: 123,243.56
Step by Step Solution
- Step 1: Write the proportion equation
292,512.96 : 438,735.12 = 82,168.80 : x - Step 2: Convert to fraction form
292,512.96/438,735.12 = 82,168.80/x - Step 3: Cross multiply
292,512.96x = 438,735.12 × 82,168.80 - Step 4: Simplify right side
292,512.96x = 36,050,338,328.26 - Step 5: Solve for x
x = 36,050,338,328.26/292,512.96 - Step 6: Final answer
x = 123,243.56
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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.