Finding the Fourth Proportional to 395,395.97, 545,649.01 and 214,107.91
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Solution
The fourth proportional to 395,395.97, 545,649.01 and 214,107.91 is: 295,470.31
Step by Step Solution
- Step 1: Write the proportion equation
395,395.97 : 545,649.01 = 214,107.91 : x - Step 2: Convert to fraction form
395,395.97/545,649.01 = 214,107.91/x - Step 3: Cross multiply
395,395.97x = 545,649.01 × 214,107.91 - Step 4: Simplify right side
395,395.97x = 116,827,767,225.28 - Step 5: Solve for x
x = 116,827,767,225.28/395,395.97 - Step 6: Final answer
x = 295,470.31
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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.