Finding the Fourth Proportional to 395,315.87, 545,536.22 and 214,027.92
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Solution
The fourth proportional to 395,315.87, 545,536.22 and 214,027.92 is: 295,358.70
Step by Step Solution
- Step 1: Write the proportion equation
395,315.87 : 545,536.22 = 214,027.92 : x - Step 2: Convert to fraction form
395,315.87/545,536.22 = 214,027.92/x - Step 3: Cross multiply
395,315.87x = 545,536.22 × 214,027.92 - Step 4: Simplify right side
395,315.87x = 116,759,981,381.12 - Step 5: Solve for x
x = 116,759,981,381.12/395,315.87 - Step 6: Final answer
x = 295,358.70
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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.