Finding the Fourth Proportional to 395,434.68, 545,700.36 and 214,146.90
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Solution
The fourth proportional to 395,434.68, 545,700.36 and 214,146.90 is: 295,522.99
Step by Step Solution
- Step 1: Write the proportion equation
395,434.68 : 545,700.36 = 214,146.90 : x - Step 2: Convert to fraction form
395,434.68/545,700.36 = 214,146.90/x - Step 3: Cross multiply
395,434.68x = 545,700.36 × 214,146.90 - Step 4: Simplify right side
395,434.68x = 116,860,040,422.88 - Step 5: Solve for x
x = 116,860,040,422.88/395,434.68 - Step 6: Final answer
x = 295,522.99
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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.