Finding the Fourth Proportional to 451,415.20, 677,211.30 and 167,107.94
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Solution
The fourth proportional to 451,415.20, 677,211.30 and 167,107.94 is: 250,694.67
Step by Step Solution
- Step 1: Write the proportion equation
451,415.20 : 677,211.30 = 167,107.94 : x - Step 2: Convert to fraction form
451,415.20/677,211.30 = 167,107.94/x - Step 3: Cross multiply
451,415.20x = 677,211.30 × 167,107.94 - Step 4: Simplify right side
451,415.20x = 113,167,385,287.72 - Step 5: Solve for x
x = 113,167,385,287.72/451,415.20 - Step 6: Final answer
x = 250,694.67
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1.5x scale
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.