Finding the Fourth Proportional to 327,927.20, 492,121.20 and 141,072.80
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Solution
The fourth proportional to 327,927.20, 492,121.20 and 141,072.80 is: 211,708.32
Step by Step Solution
- Step 1: Write the proportion equation
327,927.20 : 492,121.20 = 141,072.80 : x - Step 2: Convert to fraction form
327,927.20/492,121.20 = 141,072.80/x - Step 3: Cross multiply
327,927.20x = 492,121.20 × 141,072.80 - Step 4: Simplify right side
327,927.20x = 69,424,915,623.36 - Step 5: Solve for x
x = 69,424,915,623.36/327,927.20 - Step 6: Final answer
x = 211,708.32
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1.5x scale
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.