Finding the Fourth Proportional to 395,553.73, 545,866.76 and 214,265.66
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Solution
The fourth proportional to 395,553.73, 545,866.76 and 214,265.66 is: 295,688.02
Step by Step Solution
- Step 1: Write the proportion equation
395,553.73 : 545,866.76 = 214,265.66 : x - Step 2: Convert to fraction form
395,553.73/545,866.76 = 214,265.66/x - Step 3: Cross multiply
395,553.73x = 545,866.76 × 214,265.66 - Step 4: Simplify right side
395,553.73x = 116,960,498,874.13 - Step 5: Solve for x
x = 116,960,498,874.13/395,553.73 - Step 6: Final answer
x = 295,688.02
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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.