Finding the Fourth Proportional to 395,425.97, 545,685.12 and 214,133.75
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Solution
The fourth proportional to 395,425.97, 545,685.12 and 214,133.75 is: 295,503.10
Step by Step Solution
- Step 1: Write the proportion equation
395,425.97 : 545,685.12 = 214,133.75 : x - Step 2: Convert to fraction form
395,425.97/545,685.12 = 214,133.75/x - Step 3: Cross multiply
395,425.97x = 545,685.12 × 214,133.75 - Step 4: Simplify right side
395,425.97x = 116,849,598,336.37 - Step 5: Solve for x
x = 116,849,598,336.37/395,425.97 - Step 6: Final answer
x = 295,503.10
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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.