Finding the Fourth Proportional to 354,949.53, 489,826.64 and 193,804.08
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Solution
The fourth proportional to 354,949.53, 489,826.64 and 193,804.08 is: 267,447.60
Step by Step Solution
- Step 1: Write the proportion equation
354,949.53 : 489,826.64 = 193,804.08 : x - Step 2: Convert to fraction form
354,949.53/489,826.64 = 193,804.08/x - Step 3: Cross multiply
354,949.53x = 489,826.64 × 193,804.08 - Step 4: Simplify right side
354,949.53x = 94,930,400,355.67 - Step 5: Solve for x
x = 94,930,400,355.67/354,949.53 - Step 6: Final answer
x = 267,447.60
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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.