Finding the Fourth Proportional to 385,839.37, 532,414.43 and 224,660.44
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Solution
The fourth proportional to 385,839.37, 532,414.43 and 224,660.44 is: 310,005.84
Step by Step Solution
- Step 1: Write the proportion equation
385,839.37 : 532,414.43 = 224,660.44 : x - Step 2: Convert to fraction form
385,839.37/532,414.43 = 224,660.44/x - Step 3: Cross multiply
385,839.37x = 532,414.43 × 224,660.44 - Step 4: Simplify right side
385,839.37x = 119,612,457,444.08 - Step 5: Solve for x
x = 119,612,457,444.08/385,839.37 - Step 6: Final answer
x = 310,005.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.