Finding the Fourth Proportional to 481,122.46, 721,843.97 and 161,305.97
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Solution
The fourth proportional to 481,122.46, 721,843.97 and 161,305.97 is: 242,012.70
Step by Step Solution
- Step 1: Write the proportion equation
481,122.46 : 721,843.97 = 161,305.97 : x - Step 2: Convert to fraction form
481,122.46/721,843.97 = 161,305.97/x - Step 3: Cross multiply
481,122.46x = 721,843.97 × 161,305.97 - Step 4: Simplify right side
481,122.46x = 116,437,742,767.58 - Step 5: Solve for x
x = 116,437,742,767.58/481,122.46 - Step 6: Final answer
x = 242,012.70
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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.