Finding the Fourth Proportional to 313,793.12, 470,575.77 and 171,743.33
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Solution
The fourth proportional to 313,793.12, 470,575.77 and 171,743.33 is: 257,552.65
Step by Step Solution
- Step 1: Write the proportion equation
313,793.12 : 470,575.77 = 171,743.33 : x - Step 2: Convert to fraction form
313,793.12/470,575.77 = 171,743.33/x - Step 3: Cross multiply
313,793.12x = 470,575.77 × 171,743.33 - Step 4: Simplify right side
313,793.12x = 80,818,247,404.24 - Step 5: Solve for x
x = 80,818,247,404.24/313,793.12 - Step 6: Final answer
x = 257,552.65
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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.