Finding the Fourth Proportional to 395,453.24, 545,722.58 and 214,160.96
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Solution
The fourth proportional to 395,453.24, 545,722.58 and 214,160.96 is: 295,540.56
Step by Step Solution
- Step 1: Write the proportion equation
395,453.24 : 545,722.58 = 214,160.96 : x - Step 2: Convert to fraction form
395,453.24/545,722.58 = 214,160.96/x - Step 3: Cross multiply
395,453.24x = 545,722.58 × 214,160.96 - Step 4: Simplify right side
395,453.24x = 116,872,473,526.19 - Step 5: Solve for x
x = 116,872,473,526.19/395,453.24 - Step 6: Final answer
x = 295,540.56
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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.