Finding the Fourth Proportional to 225,928.87, 338,893.74 and 68,157.48
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Solution
The fourth proportional to 225,928.87, 338,893.74 and 68,157.48 is: 102,236.35
Step by Step Solution
- Step 1: Write the proportion equation
225,928.87 : 338,893.74 = 68,157.48 : x - Step 2: Convert to fraction form
225,928.87/338,893.74 = 68,157.48/x - Step 3: Cross multiply
225,928.87x = 338,893.74 × 68,157.48 - Step 4: Simplify right side
225,928.87x = 23,098,143,306.18 - Step 5: Solve for x
x = 23,098,143,306.18/225,928.87 - Step 6: Final answer
x = 102,236.35
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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.