Finding the Fourth Proportional to 395,254.13, 545,450.42 and 213,967.49
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Solution
The fourth proportional to 395,254.13, 545,450.42 and 213,967.49 is: 295,274.98
Step by Step Solution
- Step 1: Write the proportion equation
395,254.13 : 545,450.42 = 213,967.49 : x - Step 2: Convert to fraction form
395,254.13/545,450.42 = 213,967.49/x - Step 3: Cross multiply
395,254.13x = 545,450.42 × 213,967.49 - Step 4: Simplify right side
395,254.13x = 116,708,655,094.51 - Step 5: Solve for x
x = 116,708,655,094.51/395,254.13 - Step 6: Final answer
x = 295,274.98
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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.