Finding the Fourth Proportional to 354,881.08, 489,743.30 and 193,742.92
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Solution
The fourth proportional to 354,881.08, 489,743.30 and 193,742.92 is: 267,369.27
Step by Step Solution
- Step 1: Write the proportion equation
354,881.08 : 489,743.30 = 193,742.92 : x - Step 2: Convert to fraction form
354,881.08/489,743.30 = 193,742.92/x - Step 3: Cross multiply
354,881.08x = 489,743.30 × 193,742.92 - Step 4: Simplify right side
354,881.08x = 94,884,293,575.00 - Step 5: Solve for x
x = 94,884,293,575.00/354,881.08 - Step 6: Final answer
x = 267,369.27
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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.