Finding the Fourth Proportional to 353,845.70, 488,310.21 and 192,701.48
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Solution
The fourth proportional to 353,845.70, 488,310.21 and 192,701.48 is: 265,929.75
Step by Step Solution
- Step 1: Write the proportion equation
353,845.70 : 488,310.21 = 192,701.48 : x - Step 2: Convert to fraction form
353,845.70/488,310.21 = 192,701.48/x - Step 3: Cross multiply
353,845.70x = 488,310.21 × 192,701.48 - Step 4: Simplify right side
353,845.70x = 94,098,100,166.11 - Step 5: Solve for x
x = 94,098,100,166.11/353,845.70 - Step 6: Final answer
x = 265,929.75
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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.