Finding the Fourth Proportional to 481,716.40, 664,759.47 and 266,858.23
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Solution
The fourth proportional to 481,716.40, 664,759.47 and 266,858.23 is: 368,259.28
Step by Step Solution
- Step 1: Write the proportion equation
481,716.40 : 664,759.47 = 266,858.23 : x - Step 2: Convert to fraction form
481,716.40/664,759.47 = 266,858.23/x - Step 3: Cross multiply
481,716.40x = 664,759.47 × 266,858.23 - Step 4: Simplify right side
481,716.40x = 177,396,536,125.18 - Step 5: Solve for x
x = 177,396,536,125.18/481,716.40 - Step 6: Final answer
x = 368,259.28
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1.5x scale
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.