Finding the Fourth Proportional to 181,749.60, 273,021.84 and 129,494.88
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Solution
The fourth proportional to 181,749.60, 273,021.84 and 129,494.88 is: 194,525.49
Step by Step Solution
- Step 1: Write the proportion equation
181,749.60 : 273,021.84 = 129,494.88 : x - Step 2: Convert to fraction form
181,749.60/273,021.84 = 129,494.88/x - Step 3: Cross multiply
181,749.60x = 273,021.84 × 129,494.88 - Step 4: Simplify right side
181,749.60x = 35,354,930,408.18 - Step 5: Solve for x
x = 35,354,930,408.18/181,749.60 - Step 6: Final answer
x = 194,525.49
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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.