Finding the Fourth Proportional to 171,872.12, 257,804.22 and 101,242.81
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Solution
The fourth proportional to 171,872.12, 257,804.22 and 101,242.81 is: 151,861.88
Step by Step Solution
- Step 1: Write the proportion equation
171,872.12 : 257,804.22 = 101,242.81 : x - Step 2: Convert to fraction form
171,872.12/257,804.22 = 101,242.81/x - Step 3: Cross multiply
171,872.12x = 257,804.22 × 101,242.81 - Step 4: Simplify right side
171,872.12x = 26,100,823,340.40 - Step 5: Solve for x
x = 26,100,823,340.40/171,872.12 - Step 6: Final answer
x = 151,861.88
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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.