Finding the Fourth Proportional to 481,681.26, 664,711.80 and 266,816.79
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Solution
The fourth proportional to 481,681.26, 664,711.80 and 266,816.79 is: 368,202.55
Step by Step Solution
- Step 1: Write the proportion equation
481,681.26 : 664,711.80 = 266,816.79 : x - Step 2: Convert to fraction form
481,681.26/664,711.80 = 266,816.79/x - Step 3: Cross multiply
481,681.26x = 664,711.80 × 266,816.79 - Step 4: Simplify right side
481,681.26x = 177,356,268,751.12 - Step 5: Solve for x
x = 177,356,268,751.12/481,681.26 - Step 6: Final answer
x = 368,202.55
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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.