Finding the Fourth Proportional to 215,963.52, 324,043.68 and 110,856.32
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Solution
The fourth proportional to 215,963.52, 324,043.68 and 110,856.32 is: 166,334.99
Step by Step Solution
- Step 1: Write the proportion equation
215,963.52 : 324,043.68 = 110,856.32 : x - Step 2: Convert to fraction form
215,963.52/324,043.68 = 110,856.32/x - Step 3: Cross multiply
215,963.52x = 324,043.68 × 110,856.32 - Step 4: Simplify right side
215,963.52x = 35,922,289,884.06 - Step 5: Solve for x
x = 35,922,289,884.06/215,963.52 - Step 6: Final answer
x = 166,334.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.