Finding the Fourth Proportional to 209,227.16, 288,735.16 and 113,733.62
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Solution
The fourth proportional to 209,227.16, 288,735.16 and 113,733.62 is: 156,953.31
Step by Step Solution
- Step 1: Write the proportion equation
209,227.16 : 288,735.16 = 113,733.62 : x - Step 2: Convert to fraction form
209,227.16/288,735.16 = 113,733.62/x - Step 3: Cross multiply
209,227.16x = 288,735.16 × 113,733.62 - Step 4: Simplify right side
209,227.16x = 32,838,894,968.08 - Step 5: Solve for x
x = 32,838,894,968.08/209,227.16 - Step 6: Final answer
x = 156,953.31
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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.