Finding the Fourth Proportional to 163,304.54, 225,354.49 and 91,687.58
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Solution
The fourth proportional to 163,304.54, 225,354.49 and 91,687.58 is: 126,525.62
Step by Step Solution
- Step 1: Write the proportion equation
163,304.54 : 225,354.49 = 91,687.58 : x - Step 2: Convert to fraction form
163,304.54/225,354.49 = 91,687.58/x - Step 3: Cross multiply
163,304.54x = 225,354.49 × 91,687.58 - Step 4: Simplify right side
163,304.54x = 20,662,207,830.23 - Step 5: Solve for x
x = 20,662,207,830.23/163,304.54 - Step 6: Final answer
x = 126,525.62
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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.