Finding the Fourth Proportional to 354,917.75, 489,783.96 and 193,772.79
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Solution
The fourth proportional to 354,917.75, 489,783.96 and 193,772.79 is: 267,405.07
Step by Step Solution
- Step 1: Write the proportion equation
354,917.75 : 489,783.96 = 193,772.79 : x - Step 2: Convert to fraction form
354,917.75/489,783.96 = 193,772.79/x - Step 3: Cross multiply
354,917.75x = 489,783.96 × 193,772.79 - Step 4: Simplify right side
354,917.75x = 94,906,804,426.45 - Step 5: Solve for x
x = 94,906,804,426.45/354,917.75 - Step 6: Final answer
x = 267,405.07
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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.