Finding the Fourth Proportional to 203,889.19, 305,833.79 and 63,659.83
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Solution
The fourth proportional to 203,889.19, 305,833.79 and 63,659.83 is: 95,489.75
Step by Step Solution
- Step 1: Write the proportion equation
203,889.19 : 305,833.79 = 63,659.83 : x - Step 2: Convert to fraction form
203,889.19/305,833.79 = 63,659.83/x - Step 3: Cross multiply
203,889.19x = 305,833.79 × 63,659.83 - Step 4: Simplify right side
203,889.19x = 19,469,326,761.36 - Step 5: Solve for x
x = 19,469,326,761.36/203,889.19 - Step 6: Final answer
x = 95,489.75
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1.5x scale
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.