Finding the Fourth Proportional to 201,874.96, 278,593.74 and 115,849.68
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Solution
The fourth proportional to 201,874.96, 278,593.74 and 115,849.68 is: 159,876.17
Step by Step Solution
- Step 1: Write the proportion equation
201,874.96 : 278,593.74 = 115,849.68 : x - Step 2: Convert to fraction form
201,874.96/278,593.74 = 115,849.68/x - Step 3: Cross multiply
201,874.96x = 278,593.74 × 115,849.68 - Step 4: Simplify right side
201,874.96x = 32,274,994,371.18 - Step 5: Solve for x
x = 32,274,994,371.18/201,874.96 - Step 6: Final answer
x = 159,876.17
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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.