Finding the Fourth Proportional to 306,232.35, 422,576.60 and 170,257.95
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Solution
The fourth proportional to 306,232.35, 422,576.60 and 170,257.95 is: 234,942.60
Step by Step Solution
- Step 1: Write the proportion equation
306,232.35 : 422,576.60 = 170,257.95 : x - Step 2: Convert to fraction form
306,232.35/422,576.60 = 170,257.95/x - Step 3: Cross multiply
306,232.35x = 422,576.60 × 170,257.95 - Step 4: Simplify right side
306,232.35x = 71,947,024,782.68 - Step 5: Solve for x
x = 71,947,024,782.68/306,232.35 - Step 6: Final answer
x = 234,942.60
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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.