Finding the Fourth Proportional to 394,251.35, 544,067.10 and 212,963.31
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Solution
The fourth proportional to 394,251.35, 544,067.10 and 212,963.31 is: 293,889.50
Step by Step Solution
- Step 1: Write the proportion equation
394,251.35 : 544,067.10 = 212,963.31 : x - Step 2: Convert to fraction form
394,251.35/544,067.10 = 212,963.31/x - Step 3: Cross multiply
394,251.35x = 544,067.10 × 212,963.31 - Step 4: Simplify right side
394,251.35x = 115,866,330,478.10 - Step 5: Solve for x
x = 115,866,330,478.10/394,251.35 - Step 6: Final answer
x = 293,889.50
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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.