Finding the Fourth Proportional to 354,820.23, 489,647.84 and 193,673.97
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Solution
The fourth proportional to 354,820.23, 489,647.84 and 193,673.97 is: 267,267.85
Step by Step Solution
- Step 1: Write the proportion equation
354,820.23 : 489,647.84 = 193,673.97 : x - Step 2: Convert to fraction form
354,820.23/489,647.84 = 193,673.97/x - Step 3: Cross multiply
354,820.23x = 489,647.84 × 193,673.97 - Step 4: Simplify right side
354,820.23x = 94,832,040,106.36 - Step 5: Solve for x
x = 94,832,040,106.36/354,820.23 - Step 6: Final answer
x = 267,267.85
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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.