Finding the Fourth Proportional to 216,481.41, 324,606.08 and 108,393.80
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Solution
The fourth proportional to 216,481.41, 324,606.08 and 108,393.80 is: 162,532.59
Step by Step Solution
- Step 1: Write the proportion equation
216,481.41 : 324,606.08 = 108,393.80 : x - Step 2: Convert to fraction form
216,481.41/324,606.08 = 108,393.80/x - Step 3: Cross multiply
216,481.41x = 324,606.08 × 108,393.80 - Step 4: Simplify right side
216,481.41x = 35,185,285,162.26 - Step 5: Solve for x
x = 35,185,285,162.26/216,481.41 - Step 6: Final answer
x = 162,532.59
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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.