Finding the Fourth Proportional to 398,812.44, 598,331.70 and 162,324.84
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Solution
The fourth proportional to 398,812.44, 598,331.70 and 162,324.84 is: 243,533.27
Step by Step Solution
- Step 1: Write the proportion equation
398,812.44 : 598,331.70 = 162,324.84 : x - Step 2: Convert to fraction form
398,812.44/598,331.70 = 162,324.84/x - Step 3: Cross multiply
398,812.44x = 598,331.70 × 162,324.84 - Step 4: Simplify right side
398,812.44x = 97,124,097,469.43 - Step 5: Solve for x
x = 97,124,097,469.43/398,812.44 - Step 6: Final answer
x = 243,533.27
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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.