Finding the Fourth Proportional to 394,579.22, 544,519.06 and 213,291.14
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Solution
The fourth proportional to 394,579.22, 544,519.06 and 213,291.14 is: 294,341.63
Step by Step Solution
- Step 1: Write the proportion equation
394,579.22 : 544,519.06 = 213,291.14 : x - Step 2: Convert to fraction form
394,579.22/544,519.06 = 213,291.14/x - Step 3: Cross multiply
394,579.22x = 544,519.06 × 213,291.14 - Step 4: Simplify right side
394,579.22x = 116,141,091,059.13 - Step 5: Solve for x
x = 116,141,091,059.13/394,579.22 - Step 6: Final answer
x = 294,341.63
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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.