Finding the Fourth Proportional to 206,197.92, 285,125.76 and 163,682.72
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Solution
The fourth proportional to 206,197.92, 285,125.76 and 163,682.72 is: 226,336.72
Step by Step Solution
- Step 1: Write the proportion equation
206,197.92 : 285,125.76 = 163,682.72 : x - Step 2: Convert to fraction form
206,197.92/285,125.76 = 163,682.72/x - Step 3: Cross multiply
206,197.92x = 285,125.76 × 163,682.72 - Step 4: Simplify right side
206,197.92x = 46,670,159,938.87 - Step 5: Solve for x
x = 46,670,159,938.87/206,197.92 - Step 6: Final answer
x = 226,336.72
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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.