Finding the Fourth Proportional to 667,170.44, 1,000,746.69 and 161,735.77
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Solution
The fourth proportional to 667,170.44, 1,000,746.69 and 161,735.77 is: 242,601.49
Step by Step Solution
- Step 1: Write the proportion equation
667,170.44 : 1,000,746.69 = 161,735.77 : x - Step 2: Convert to fraction form
667,170.44/1,000,746.69 = 161,735.77/x - Step 3: Cross multiply
667,170.44x = 1,000,746.69 × 161,735.77 - Step 4: Simplify right side
667,170.44x = 161,856,539,941.13 - Step 5: Solve for x
x = 161,856,539,941.13/667,170.44 - Step 6: Final answer
x = 242,601.49
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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.