Finding the Fourth Proportional to 362,711.28, 543,040.36 and 277,224.18
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Solution
The fourth proportional to 362,711.28, 543,040.36 and 277,224.18 is: 415,051.66
Step by Step Solution
- Step 1: Write the proportion equation
362,711.28 : 543,040.36 = 277,224.18 : x - Step 2: Convert to fraction form
362,711.28/543,040.36 = 277,224.18/x - Step 3: Cross multiply
362,711.28x = 543,040.36 × 277,224.18 - Step 4: Simplify right side
362,711.28x = 150,543,918,507.91 - Step 5: Solve for x
x = 150,543,918,507.91/362,711.28 - Step 6: Final answer
x = 415,051.66
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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.