Finding the Fourth Proportional to 481,499.12, 664,468.18 and 266,638.92
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Solution
The fourth proportional to 481,499.12, 664,468.18 and 266,638.92 is: 367,961.38
Step by Step Solution
- Step 1: Write the proportion equation
481,499.12 : 664,468.18 = 266,638.92 : x - Step 2: Convert to fraction form
481,499.12/664,468.18 = 266,638.92/x - Step 3: Cross multiply
481,499.12x = 664,468.18 × 266,638.92 - Step 4: Simplify right side
481,499.12x = 177,173,077,222.97 - Step 5: Solve for x
x = 177,173,077,222.97/481,499.12 - Step 6: Final answer
x = 367,961.38
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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.