Finding the Fourth Proportional to 256,896.08, 354,523.56 and 143,717.84
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Solution
The fourth proportional to 256,896.08, 354,523.56 and 143,717.84 is: 198,334.52
Step by Step Solution
- Step 1: Write the proportion equation
256,896.08 : 354,523.56 = 143,717.84 : x - Step 2: Convert to fraction form
256,896.08/354,523.56 = 143,717.84/x - Step 3: Cross multiply
256,896.08x = 354,523.56 × 143,717.84 - Step 4: Simplify right side
256,896.08x = 50,951,360,272.31 - Step 5: Solve for x
x = 50,951,360,272.31/256,896.08 - Step 6: Final answer
x = 198,334.52
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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.