Finding the Fourth Proportional to 481,697.68, 664,742.84 and 266,851.68
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Solution
The fourth proportional to 481,697.68, 664,742.84 and 266,851.68 is: 368,255.34
Step by Step Solution
- Step 1: Write the proportion equation
481,697.68 : 664,742.84 = 266,851.68 : x - Step 2: Convert to fraction form
481,697.68/664,742.84 = 266,851.68/x - Step 3: Cross multiply
481,697.68x = 664,742.84 × 266,851.68 - Step 4: Simplify right side
481,697.68x = 177,387,743,621.97 - Step 5: Solve for x
x = 177,387,743,621.97/481,697.68 - Step 6: Final answer
x = 368,255.34
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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.