Finding the Fourth Proportional to 355,036.44, 489,954.21 and 193,896.24
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Solution
The fourth proportional to 355,036.44, 489,954.21 and 193,896.24 is: 267,578.95
Step by Step Solution
- Step 1: Write the proportion equation
355,036.44 : 489,954.21 = 193,896.24 : x - Step 2: Convert to fraction form
355,036.44/489,954.21 = 193,896.24/x - Step 3: Cross multiply
355,036.44x = 489,954.21 × 193,896.24 - Step 4: Simplify right side
355,036.44x = 95,000,279,091.17 - Step 5: Solve for x
x = 95,000,279,091.17/355,036.44 - Step 6: Final answer
x = 267,578.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.