Finding the Fourth Proportional to 281,471.92, 422,429.77 and 104,029.68
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Solution
The fourth proportional to 281,471.92, 422,429.77 and 104,029.68 is: 156,126.52
Step by Step Solution
- Step 1: Write the proportion equation
281,471.92 : 422,429.77 = 104,029.68 : x - Step 2: Convert to fraction form
281,471.92/422,429.77 = 104,029.68/x - Step 3: Cross multiply
281,471.92x = 422,429.77 × 104,029.68 - Step 4: Simplify right side
281,471.92x = 43,945,232,238.05 - Step 5: Solve for x
x = 43,945,232,238.05/281,471.92 - Step 6: Final answer
x = 156,126.52
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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.