Finding the Fourth Proportional to 252,538.67, 378,877.21 and 126,026.19
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Solution
The fourth proportional to 252,538.67, 378,877.21 and 126,026.19 is: 189,073.82
Step by Step Solution
- Step 1: Write the proportion equation
252,538.67 : 378,877.21 = 126,026.19 : x - Step 2: Convert to fraction form
252,538.67/378,877.21 = 126,026.19/x - Step 3: Cross multiply
252,538.67x = 378,877.21 × 126,026.19 - Step 4: Simplify right side
252,538.67x = 47,748,450,939.06 - Step 5: Solve for x
x = 47,748,450,939.06/252,538.67 - Step 6: Final answer
x = 189,073.82
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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.