Finding the Fourth Proportional to 354,450.63, 489,122.37 and 201,467.55
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Solution
The fourth proportional to 354,450.63, 489,122.37 and 201,467.55 is: 278,014.14
Step by Step Solution
- Step 1: Write the proportion equation
354,450.63 : 489,122.37 = 201,467.55 : x - Step 2: Convert to fraction form
354,450.63/489,122.37 = 201,467.55/x - Step 3: Cross multiply
354,450.63x = 489,122.37 × 201,467.55 - Step 4: Simplify right side
354,450.63x = 98,542,285,534.09 - Step 5: Solve for x
x = 98,542,285,534.09/354,450.63 - Step 6: Final answer
x = 278,014.14
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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.