Finding the Fourth Proportional to 201,917.36, 278,456.96 and 159,577.04
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Solution
The fourth proportional to 201,917.36, 278,456.96 and 159,577.04 is: 220,066.95
Step by Step Solution
- Step 1: Write the proportion equation
201,917.36 : 278,456.96 = 159,577.04 : x - Step 2: Convert to fraction form
201,917.36/278,456.96 = 159,577.04/x - Step 3: Cross multiply
201,917.36x = 278,456.96 × 159,577.04 - Step 4: Simplify right side
201,917.36x = 44,435,337,444.20 - Step 5: Solve for x
x = 44,435,337,444.20/201,917.36 - Step 6: Final answer
x = 220,066.95
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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.