Finding the Fourth Proportional to 330,850.10, 456,426.70 and 203,450.42
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Solution
The fourth proportional to 330,850.10, 456,426.70 and 203,450.42 is: 280,671.53
Step by Step Solution
- Step 1: Write the proportion equation
330,850.10 : 456,426.70 = 203,450.42 : x - Step 2: Convert to fraction form
330,850.10/456,426.70 = 203,450.42/x - Step 3: Cross multiply
330,850.10x = 456,426.70 × 203,450.42 - Step 4: Simplify right side
330,850.10x = 92,860,203,814.21 - Step 5: Solve for x
x = 92,860,203,814.21/330,850.10 - Step 6: Final answer
x = 280,671.53
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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.