Finding the Fourth Proportional to 388,334.84, 582,568.68 and 177,990.80
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Solution
The fourth proportional to 388,334.84, 582,568.68 and 177,990.80 is: 267,016.64
Step by Step Solution
- Step 1: Write the proportion equation
388,334.84 : 582,568.68 = 177,990.80 : x - Step 2: Convert to fraction form
388,334.84/582,568.68 = 177,990.80/x - Step 3: Cross multiply
388,334.84x = 582,568.68 × 177,990.80 - Step 4: Simplify right side
388,334.84x = 103,691,865,408.14 - Step 5: Solve for x
x = 103,691,865,408.14/388,334.84 - Step 6: Final answer
x = 267,016.64
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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.