Finding the Fourth Proportional to 304,767.75, 457,115.23 and 80,145.68
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Solution
The fourth proportional to 304,767.75, 457,115.23 and 80,145.68 is: 120,208.95
Step by Step Solution
- Step 1: Write the proportion equation
304,767.75 : 457,115.23 = 80,145.68 : x - Step 2: Convert to fraction form
304,767.75/457,115.23 = 80,145.68/x - Step 3: Cross multiply
304,767.75x = 457,115.23 × 80,145.68 - Step 4: Simplify right side
304,767.75x = 36,635,811,889.13 - Step 5: Solve for x
x = 36,635,811,889.13/304,767.75 - Step 6: Final answer
x = 120,208.95
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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.