Finding the Fourth Proportional to 202,041.87, 278,755.97 and 117,141.99
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Solution
The fourth proportional to 202,041.87, 278,755.97 and 117,141.99 is: 161,620.11
Step by Step Solution
- Step 1: Write the proportion equation
202,041.87 : 278,755.97 = 117,141.99 : x - Step 2: Convert to fraction form
202,041.87/278,755.97 = 117,141.99/x - Step 3: Cross multiply
202,041.87x = 278,755.97 × 117,141.99 - Step 4: Simplify right side
202,041.87x = 32,654,028,464.47 - Step 5: Solve for x
x = 32,654,028,464.47/202,041.87 - Step 6: Final answer
x = 161,620.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.