Finding the Fourth Proportional to 115,472.16, 159,350.76 and 64,481.88
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Solution
The fourth proportional to 115,472.16, 159,350.76 and 64,481.88 is: 88,984.54
Step by Step Solution
- Step 1: Write the proportion equation
115,472.16 : 159,350.76 = 64,481.88 : x - Step 2: Convert to fraction form
115,472.16/159,350.76 = 64,481.88/x - Step 3: Cross multiply
115,472.16x = 159,350.76 × 64,481.88 - Step 4: Simplify right side
115,472.16x = 10,275,236,584.23 - Step 5: Solve for x
x = 10,275,236,584.23/115,472.16 - Step 6: Final answer
x = 88,984.54
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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.