Finding the Fourth Proportional to 512,043.66, 768,190.14 and 170,486.19
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Solution
The fourth proportional to 512,043.66, 768,190.14 and 170,486.19 is: 255,770.79
Step by Step Solution
- Step 1: Write the proportion equation
512,043.66 : 768,190.14 = 170,486.19 : x - Step 2: Convert to fraction form
512,043.66/768,190.14 = 170,486.19/x - Step 3: Cross multiply
512,043.66x = 768,190.14 × 170,486.19 - Step 4: Simplify right side
512,043.66x = 130,965,810,164.17 - Step 5: Solve for x
x = 130,965,810,164.17/512,043.66 - Step 6: Final answer
x = 255,770.79
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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.