Finding the Fourth Proportional to 331,122.88, 457,037.44 and 203,905.08
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Solution
The fourth proportional to 331,122.88, 457,037.44 and 203,905.08 is: 281,443.12
Step by Step Solution
- Step 1: Write the proportion equation
331,122.88 : 457,037.44 = 203,905.08 : x - Step 2: Convert to fraction form
331,122.88/457,037.44 = 203,905.08/x - Step 3: Cross multiply
331,122.88x = 457,037.44 × 203,905.08 - Step 4: Simplify right side
331,122.88x = 93,192,255,766.20 - Step 5: Solve for x
x = 93,192,255,766.20/331,122.88 - Step 6: Final answer
x = 281,443.12
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1.5x scale
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.