Finding the Fourth Proportional to 201,919.24, 278,624.34 and 115,873.48
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Solution
The fourth proportional to 201,919.24, 278,624.34 and 115,873.48 is: 159,891.51
Step by Step Solution
- Step 1: Write the proportion equation
201,919.24 : 278,624.34 = 115,873.48 : x - Step 2: Convert to fraction form
201,919.24/278,624.34 = 115,873.48/x - Step 3: Cross multiply
201,919.24x = 278,624.34 × 115,873.48 - Step 4: Simplify right side
201,919.24x = 32,285,171,888.50 - Step 5: Solve for x
x = 32,285,171,888.50/201,919.24 - Step 6: Final answer
x = 159,891.51
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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.