Finding the Fourth Proportional to 395,425.66, 545,687.94 and 214,137.88
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Solution
The fourth proportional to 395,425.66, 545,687.94 and 214,137.88 is: 295,510.56
Step by Step Solution
- Step 1: Write the proportion equation
395,425.66 : 545,687.94 = 214,137.88 : x - Step 2: Convert to fraction form
395,425.66/545,687.94 = 214,137.88/x - Step 3: Cross multiply
395,425.66x = 545,687.94 × 214,137.88 - Step 4: Simplify right side
395,425.66x = 116,852,460,300.62 - Step 5: Solve for x
x = 116,852,460,300.62/395,425.66 - Step 6: Final answer
x = 295,510.56
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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.