Finding the Fourth Proportional to 226,475.70, 339,713.55 and 121,499.70
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Solution
The fourth proportional to 226,475.70, 339,713.55 and 121,499.70 is: 182,249.55
Step by Step Solution
- Step 1: Write the proportion equation
226,475.70 : 339,713.55 = 121,499.70 : x - Step 2: Convert to fraction form
226,475.70/339,713.55 = 121,499.70/x - Step 3: Cross multiply
226,475.70x = 339,713.55 × 121,499.70 - Step 4: Simplify right side
226,475.70x = 41,275,094,410.94 - Step 5: Solve for x
x = 41,275,094,410.94/226,475.70 - Step 6: Final answer
x = 182,249.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.