Finding the Fourth Proportional to 354,911.66, 489,775.57 and 193,766.69
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Solution
The fourth proportional to 354,911.66, 489,775.57 and 193,766.69 is: 267,396.66
Step by Step Solution
- Step 1: Write the proportion equation
354,911.66 : 489,775.57 = 193,766.69 : x - Step 2: Convert to fraction form
354,911.66/489,775.57 = 193,766.69/x - Step 3: Cross multiply
354,911.66x = 489,775.57 × 193,766.69 - Step 4: Simplify right side
354,911.66x = 94,902,191,041.76 - Step 5: Solve for x
x = 94,902,191,041.76/354,911.66 - Step 6: Final answer
x = 267,396.66
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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.