Finding the Fourth Proportional to 271,912.68, 375,239.16 and 151,065.12
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Solution
The fourth proportional to 271,912.68, 375,239.16 and 151,065.12 is: 208,469.68
Step by Step Solution
- Step 1: Write the proportion equation
271,912.68 : 375,239.16 = 151,065.12 : x - Step 2: Convert to fraction form
271,912.68/375,239.16 = 151,065.12/x - Step 3: Cross multiply
271,912.68x = 375,239.16 × 151,065.12 - Step 4: Simplify right side
271,912.68x = 56,685,548,734.10 - Step 5: Solve for x
x = 56,685,548,734.10/271,912.68 - Step 6: Final answer
x = 208,469.68
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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.