Finding the Fourth Proportional to 277,711.20, 416,232.84 and 127,744.80
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Solution
The fourth proportional to 277,711.20, 416,232.84 and 127,744.80 is: 191,463.58
Step by Step Solution
- Step 1: Write the proportion equation
277,711.20 : 416,232.84 = 127,744.80 : x - Step 2: Convert to fraction form
277,711.20/416,232.84 = 127,744.80/x - Step 3: Cross multiply
277,711.20x = 416,232.84 × 127,744.80 - Step 4: Simplify right side
277,711.20x = 53,171,580,899.23 - Step 5: Solve for x
x = 53,171,580,899.23/277,711.20 - Step 6: Final answer
x = 191,463.58
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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.