Finding the Fourth Proportional to 354,882.08, 489,744.68 and 193,743.92
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Solution
The fourth proportional to 354,882.08, 489,744.68 and 193,743.92 is: 267,370.65
Step by Step Solution
- Step 1: Write the proportion equation
354,882.08 : 489,744.68 = 193,743.92 : x - Step 2: Convert to fraction form
354,882.08/489,744.68 = 193,743.92/x - Step 3: Cross multiply
354,882.08x = 489,744.68 × 193,743.92 - Step 4: Simplify right side
354,882.08x = 94,885,054,102.35 - Step 5: Solve for x
x = 94,885,054,102.35/354,882.08 - Step 6: Final answer
x = 267,370.65
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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.