Finding the Fourth Proportional to 163,322.92, 225,382.98 and 91,703.08
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Solution
The fourth proportional to 163,322.92, 225,382.98 and 91,703.08 is: 126,548.76
Step by Step Solution
- Step 1: Write the proportion equation
163,322.92 : 225,382.98 = 91,703.08 : x - Step 2: Convert to fraction form
163,322.92/225,382.98 = 91,703.08/x - Step 3: Cross multiply
163,322.92x = 225,382.98 × 91,703.08 - Step 4: Simplify right side
163,322.92x = 20,668,313,445.58 - Step 5: Solve for x
x = 20,668,313,445.58/163,322.92 - Step 6: Final answer
x = 126,548.76
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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.