Finding the Fourth Proportional to 354,770.64, 489,566.16 and 193,621.68
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Solution
The fourth proportional to 354,770.64, 489,566.16 and 193,621.68 is: 267,188.46
Step by Step Solution
- Step 1: Write the proportion equation
354,770.64 : 489,566.16 = 193,621.68 : x - Step 2: Convert to fraction form
354,770.64/489,566.16 = 193,621.68/x - Step 3: Cross multiply
354,770.64x = 489,566.16 × 193,621.68 - Step 4: Simplify right side
354,770.64x = 94,790,622,370.35 - Step 5: Solve for x
x = 94,790,622,370.35/354,770.64 - Step 6: Final answer
x = 267,188.46
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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.