Finding the Fourth Proportional to 129,289.24, 193,934.94 and 40,556.44
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Solution
The fourth proportional to 129,289.24, 193,934.94 and 40,556.44 is: 60,835.00
Step by Step Solution
- Step 1: Write the proportion equation
129,289.24 : 193,934.94 = 40,556.44 : x - Step 2: Convert to fraction form
129,289.24/193,934.94 = 40,556.44/x - Step 3: Cross multiply
129,289.24x = 193,934.94 × 40,556.44 - Step 4: Simplify right side
129,289.24x = 7,865,310,758.01 - Step 5: Solve for x
x = 7,865,310,758.01/129,289.24 - Step 6: Final answer
x = 60,835.00
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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.