Finding the Fourth Proportional to 121,846.24, 182,768.64 and 45,958.96
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Solution
The fourth proportional to 121,846.24, 182,768.64 and 45,958.96 is: 68,938.17
Step by Step Solution
- Step 1: Write the proportion equation
121,846.24 : 182,768.64 = 45,958.96 : x - Step 2: Convert to fraction form
121,846.24/182,768.64 = 45,958.96/x - Step 3: Cross multiply
121,846.24x = 182,768.64 × 45,958.96 - Step 4: Simplify right side
121,846.24x = 8,399,856,615.01 - Step 5: Solve for x
x = 8,399,856,615.01/121,846.24 - Step 6: Final answer
x = 68,938.17
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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.