Finding the Fourth Proportional to 354,520.62, 489,244.20 and 193,375.62
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Solution
The fourth proportional to 354,520.62, 489,244.20 and 193,375.62 is: 266,861.49
Step by Step Solution
- Step 1: Write the proportion equation
354,520.62 : 489,244.20 = 193,375.62 : x - Step 2: Convert to fraction form
354,520.62/489,244.20 = 193,375.62/x - Step 3: Cross multiply
354,520.62x = 489,244.20 × 193,375.62 - Step 4: Simplify right side
354,520.62x = 94,607,900,506.40 - Step 5: Solve for x
x = 94,607,900,506.40/354,520.62 - Step 6: Final answer
x = 266,861.49
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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.