Finding the Fourth Proportional to 486,793.44, 671,815.38 and 269,044.62
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Solution
The fourth proportional to 486,793.44, 671,815.38 and 269,044.62 is: 371,303.92
Step by Step Solution
- Step 1: Write the proportion equation
486,793.44 : 671,815.38 = 269,044.62 : x - Step 2: Convert to fraction form
486,793.44/671,815.38 = 269,044.62/x - Step 3: Cross multiply
486,793.44x = 671,815.38 × 269,044.62 - Step 4: Simplify right side
486,793.44x = 180,748,313,622.26 - Step 5: Solve for x
x = 180,748,313,622.26/486,793.44 - Step 6: Final answer
x = 371,303.92
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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.