Finding the Fourth Proportional to 269,201.70, 403,729.65 and 79,661.70
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Solution
The fourth proportional to 269,201.70, 403,729.65 and 79,661.70 is: 119,470.98
Step by Step Solution
- Step 1: Write the proportion equation
269,201.70 : 403,729.65 = 79,661.70 : x - Step 2: Convert to fraction form
269,201.70/403,729.65 = 79,661.70/x - Step 3: Cross multiply
269,201.70x = 403,729.65 × 79,661.70 - Step 4: Simplify right side
269,201.70x = 32,161,790,259.41 - Step 5: Solve for x
x = 32,161,790,259.41/269,201.70 - Step 6: Final answer
x = 119,470.98
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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.