Finding the Fourth Proportional to 129,207.33, 193,811.00 and 40,467.78
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Solution
The fourth proportional to 129,207.33, 193,811.00 and 40,467.78 is: 60,701.67
Step by Step Solution
- Step 1: Write the proportion equation
129,207.33 : 193,811.00 = 40,467.78 : x - Step 2: Convert to fraction form
129,207.33/193,811.00 = 40,467.78/x - Step 3: Cross multiply
129,207.33x = 193,811.00 × 40,467.78 - Step 4: Simplify right side
129,207.33x = 7,843,100,707.24 - Step 5: Solve for x
x = 7,843,100,707.24/129,207.33 - Step 6: Final answer
x = 60,701.67
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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.