Finding the Fourth Proportional to 354,771.10, 489,580.28 and 193,624.84
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Solution
The fourth proportional to 354,771.10, 489,580.28 and 193,624.84 is: 267,200.18
Step by Step Solution
- Step 1: Write the proportion equation
354,771.10 : 489,580.28 = 193,624.84 : x - Step 2: Convert to fraction form
354,771.10/489,580.28 = 193,624.84/x - Step 3: Cross multiply
354,771.10x = 489,580.28 × 193,624.84 - Step 4: Simplify right side
354,771.10x = 94,794,900,934.25 - Step 5: Solve for x
x = 94,794,900,934.25/354,771.10 - Step 6: Final answer
x = 267,200.18
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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.