Finding the Fourth Proportional to 163,207.62, 225,242.70 and 91,587.92
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Solution
The fourth proportional to 163,207.62, 225,242.70 and 91,587.92 is: 126,400.42
Step by Step Solution
- Step 1: Write the proportion equation
163,207.62 : 225,242.70 = 91,587.92 : x - Step 2: Convert to fraction form
163,207.62/225,242.70 = 91,587.92/x - Step 3: Cross multiply
163,207.62x = 225,242.70 × 91,587.92 - Step 4: Simplify right side
163,207.62x = 20,629,510,951.29 - Step 5: Solve for x
x = 20,629,510,951.29/163,207.62 - Step 6: Final answer
x = 126,400.42
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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.