Finding the Fourth Proportional to 163,460.97, 225,576.33 and 91,840.95
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Solution
The fourth proportional to 163,460.97, 225,576.33 and 91,840.95 is: 126,740.62
Step by Step Solution
- Step 1: Write the proportion equation
163,460.97 : 225,576.33 = 91,840.95 : x - Step 2: Convert to fraction form
163,460.97/225,576.33 = 91,840.95/x - Step 3: Cross multiply
163,460.97x = 225,576.33 × 91,840.95 - Step 4: Simplify right side
163,460.97x = 20,717,144,444.71 - Step 5: Solve for x
x = 20,717,144,444.71/163,460.97 - Step 6: Final answer
x = 126,740.62
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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.