Finding the Fourth Proportional to 349,778.20, 482,679.66 and 206,584.60
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Solution
The fourth proportional to 349,778.20, 482,679.66 and 206,584.60 is: 285,078.33
Step by Step Solution
- Step 1: Write the proportion equation
349,778.20 : 482,679.66 = 206,584.60 : x - Step 2: Convert to fraction form
349,778.20/482,679.66 = 206,584.60/x - Step 3: Cross multiply
349,778.20x = 482,679.66 × 206,584.60 - Step 4: Simplify right side
349,778.20x = 99,714,184,489.24 - Step 5: Solve for x
x = 99,714,184,489.24/349,778.20 - Step 6: Final answer
x = 285,078.33
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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.