Finding the Fourth Proportional to 395,112.59, 545,256.34 and 213,825.84
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Solution
The fourth proportional to 395,112.59, 545,256.34 and 213,825.84 is: 295,080.18
Step by Step Solution
- Step 1: Write the proportion equation
395,112.59 : 545,256.34 = 213,825.84 : x - Step 2: Convert to fraction form
395,112.59/545,256.34 = 213,825.84/x - Step 3: Cross multiply
395,112.59x = 545,256.34 × 213,825.84 - Step 4: Simplify right side
395,112.59x = 116,589,892,637.24 - Step 5: Solve for x
x = 116,589,892,637.24/395,112.59 - Step 6: Final answer
x = 295,080.18
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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.