Finding the Fourth Proportional to 395,310.76, 545,524.84 and 214,017.88
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Solution
The fourth proportional to 395,310.76, 545,524.84 and 214,017.88 is: 295,342.50
Step by Step Solution
- Step 1: Write the proportion equation
395,310.76 : 545,524.84 = 214,017.88 : x - Step 2: Convert to fraction form
395,310.76/545,524.84 = 214,017.88/x - Step 3: Cross multiply
395,310.76x = 545,524.84 × 214,017.88 - Step 4: Simplify right side
395,310.76x = 116,752,069,744.14 - Step 5: Solve for x
x = 116,752,069,744.14/395,310.76 - Step 6: Final answer
x = 295,342.50
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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.