Finding the Fourth Proportional to 481,253.09, 664,121.20 and 266,388.53
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Solution
The fourth proportional to 481,253.09, 664,121.20 and 266,388.53 is: 367,611.70
Step by Step Solution
- Step 1: Write the proportion equation
481,253.09 : 664,121.20 = 266,388.53 : x - Step 2: Convert to fraction form
481,253.09/664,121.20 = 266,388.53/x - Step 3: Cross multiply
481,253.09x = 664,121.20 × 266,388.53 - Step 4: Simplify right side
481,253.09x = 176,914,266,223.26 - Step 5: Solve for x
x = 176,914,266,223.26/481,253.09 - Step 6: Final answer
x = 367,611.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.