Finding the Fourth Proportional to 119,101.67, 178,538.79 and 44,201.78
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Solution
The fourth proportional to 119,101.67, 178,538.79 and 44,201.78 is: 66,260.47
Step by Step Solution
- Step 1: Write the proportion equation
119,101.67 : 178,538.79 = 44,201.78 : x - Step 2: Convert to fraction form
119,101.67/178,538.79 = 44,201.78/x - Step 3: Cross multiply
119,101.67x = 178,538.79 × 44,201.78 - Step 4: Simplify right side
119,101.67x = 7,891,732,317.05 - Step 5: Solve for x
x = 7,891,732,317.05/119,101.67 - Step 6: Final answer
x = 66,260.47
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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.