Finding the Fourth Proportional to 331,037.10, 456,794.09 and 195,062.19
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Solution
The fourth proportional to 331,037.10, 456,794.09 and 195,062.19 is: 269,163.96
Step by Step Solution
- Step 1: Write the proportion equation
331,037.10 : 456,794.09 = 195,062.19 : x - Step 2: Convert to fraction form
331,037.10/456,794.09 = 195,062.19/x - Step 3: Cross multiply
331,037.10x = 456,794.09 × 195,062.19 - Step 4: Simplify right side
331,037.10x = 89,103,255,741.13 - Step 5: Solve for x
x = 89,103,255,741.13/331,037.10 - Step 6: Final answer
x = 269,163.96
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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.