Finding the Fourth Proportional to 264,310.97, 364,739.89 and 143,449.84
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Solution
The fourth proportional to 264,310.97, 364,739.89 and 143,449.84 is: 197,955.75
Step by Step Solution
- Step 1: Write the proportion equation
264,310.97 : 364,739.89 = 143,449.84 : x - Step 2: Convert to fraction form
264,310.97/364,739.89 = 143,449.84/x - Step 3: Cross multiply
264,310.97x = 364,739.89 × 143,449.84 - Step 4: Simplify right side
264,310.97x = 52,321,876,321.17 - Step 5: Solve for x
x = 52,321,876,321.17/264,310.97 - Step 6: Final answer
x = 197,955.75
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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.