Finding the Fourth Proportional to 127,203.92, 190,799.72 and 48,311.99
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Solution
The fourth proportional to 127,203.92, 190,799.72 and 48,311.99 is: 72,465.64
Step by Step Solution
- Step 1: Write the proportion equation
127,203.92 : 190,799.72 = 48,311.99 : x - Step 2: Convert to fraction form
127,203.92/190,799.72 = 48,311.99/x - Step 3: Cross multiply
127,203.92x = 190,799.72 × 48,311.99 - Step 4: Simplify right side
127,203.92x = 9,217,912,969.08 - Step 5: Solve for x
x = 9,217,912,969.08/127,203.92 - Step 6: Final answer
x = 72,465.64
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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.