Finding the Fourth Proportional to 395,351.74, 545,583.11 and 214,059.92
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Solution
The fourth proportional to 395,351.74, 545,583.11 and 214,059.92 is: 295,401.45
Step by Step Solution
- Step 1: Write the proportion equation
395,351.74 : 545,583.11 = 214,059.92 : x - Step 2: Convert to fraction form
395,351.74/545,583.11 = 214,059.92/x - Step 3: Cross multiply
395,351.74x = 545,583.11 × 214,059.92 - Step 4: Simplify right side
395,351.74x = 116,787,477,173.61 - Step 5: Solve for x
x = 116,787,477,173.61/395,351.74 - Step 6: Final answer
x = 295,401.45
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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.