Finding the Fourth Proportional to 326,402.09, 489,209.41 and 168,544.49
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Solution
The fourth proportional to 326,402.09, 489,209.41 and 168,544.49 is: 252,613.42
Step by Step Solution
- Step 1: Write the proportion equation
326,402.09 : 489,209.41 = 168,544.49 : x - Step 2: Convert to fraction form
326,402.09/489,209.41 = 168,544.49/x - Step 3: Cross multiply
326,402.09x = 489,209.41 × 168,544.49 - Step 4: Simplify right side
326,402.09x = 82,453,547,644.24 - Step 5: Solve for x
x = 82,453,547,644.24/326,402.09 - Step 6: Final answer
x = 252,613.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.