Finding the Fourth Proportional to 163,449.91, 225,548.58 and 91,815.94
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Solution
The fourth proportional to 163,449.91, 225,548.58 and 91,815.94 is: 126,699.09
Step by Step Solution
- Step 1: Write the proportion equation
163,449.91 : 225,548.58 = 91,815.94 : x - Step 2: Convert to fraction form
163,449.91/225,548.58 = 91,815.94/x - Step 3: Cross multiply
163,449.91x = 225,548.58 × 91,815.94 - Step 4: Simplify right side
163,449.91x = 20,708,954,888.37 - Step 5: Solve for x
x = 20,708,954,888.37/163,449.91 - Step 6: Final answer
x = 126,699.09
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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.