Finding the Fourth Proportional to 354,702.17, 489,484.97 and 193,559.96
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Solution
The fourth proportional to 354,702.17, 489,484.97 and 193,559.96 is: 267,110.55
Step by Step Solution
- Step 1: Write the proportion equation
354,702.17 : 489,484.97 = 193,559.96 : x - Step 2: Convert to fraction form
354,702.17/489,484.97 = 193,559.96/x - Step 3: Cross multiply
354,702.17x = 489,484.97 × 193,559.96 - Step 4: Simplify right side
354,702.17x = 94,744,691,469.71 - Step 5: Solve for x
x = 94,744,691,469.71/354,702.17 - Step 6: Final answer
x = 267,110.55
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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.