Finding the Fourth Proportional to 327,946.20, 492,149.70 and 141,091.80
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Solution
The fourth proportional to 327,946.20, 492,149.70 and 141,091.80 is: 211,736.82
Step by Step Solution
- Step 1: Write the proportion equation
327,946.20 : 492,149.70 = 141,091.80 : x - Step 2: Convert to fraction form
327,946.20/492,149.70 = 141,091.80/x - Step 3: Cross multiply
327,946.20x = 492,149.70 × 141,091.80 - Step 4: Simplify right side
327,946.20x = 69,438,287,042.46 - Step 5: Solve for x
x = 69,438,287,042.46/327,946.20 - Step 6: Final answer
x = 211,736.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.