Finding the Fourth Proportional to 481,349.76, 722,135.37 and 161,544.07
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Solution
The fourth proportional to 481,349.76, 722,135.37 and 161,544.07 is: 242,353.27
Step by Step Solution
- Step 1: Write the proportion equation
481,349.76 : 722,135.37 = 161,544.07 : x - Step 2: Convert to fraction form
481,349.76/722,135.37 = 161,544.07/x - Step 3: Cross multiply
481,349.76x = 722,135.37 × 161,544.07 - Step 4: Simplify right side
481,349.76x = 116,656,686,760.76 - Step 5: Solve for x
x = 116,656,686,760.76/481,349.76 - Step 6: Final answer
x = 242,353.27
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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.