Finding the Fourth Proportional to 269,034.35, 403,411.40 and 100,415.99
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Solution
The fourth proportional to 269,034.35, 403,411.40 and 100,415.99 is: 150,571.68
Step by Step Solution
- Step 1: Write the proportion equation
269,034.35 : 403,411.40 = 100,415.99 : x - Step 2: Convert to fraction form
269,034.35/403,411.40 = 100,415.99/x - Step 3: Cross multiply
269,034.35x = 403,411.40 × 100,415.99 - Step 4: Simplify right side
269,034.35x = 40,508,955,614.73 - Step 5: Solve for x
x = 40,508,955,614.73/269,034.35 - Step 6: Final answer
x = 150,571.68
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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.