Finding the Fourth Proportional to 395,627.74, 545,966.42 and 214,340.92
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Solution
The fourth proportional to 395,627.74, 545,966.42 and 214,340.92 is: 295,790.54
Step by Step Solution
- Step 1: Write the proportion equation
395,627.74 : 545,966.42 = 214,340.92 : x - Step 2: Convert to fraction form
395,627.74/545,966.42 = 214,340.92/x - Step 3: Cross multiply
395,627.74x = 545,966.42 × 214,340.92 - Step 4: Simplify right side
395,627.74x = 117,022,944,751.91 - Step 5: Solve for x
x = 117,022,944,751.91/395,627.74 - Step 6: Final answer
x = 295,790.54
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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.