Finding the Fourth Proportional to 388,328.72, 582,559.49 and 177,984.68
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Solution
The fourth proportional to 388,328.72, 582,559.49 and 177,984.68 is: 267,007.46
Step by Step Solution
- Step 1: Write the proportion equation
388,328.72 : 582,559.49 = 177,984.68 : x - Step 2: Convert to fraction form
388,328.72/582,559.49 = 177,984.68/x - Step 3: Cross multiply
388,328.72x = 582,559.49 × 177,984.68 - Step 4: Simplify right side
388,328.72x = 103,686,661,940.78 - Step 5: Solve for x
x = 103,686,661,940.78/388,328.72 - Step 6: Final answer
x = 267,007.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.