Finding the Fourth Proportional to 395,324.80, 545,548.44 and 214,036.80
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Solution
The fourth proportional to 395,324.80, 545,548.44 and 214,036.80 is: 295,370.90
Step by Step Solution
- Step 1: Write the proportion equation
395,324.80 : 545,548.44 = 214,036.80 : x - Step 2: Convert to fraction form
395,324.80/545,548.44 = 214,036.80/x - Step 3: Cross multiply
395,324.80x = 545,548.44 × 214,036.80 - Step 4: Simplify right side
395,324.80x = 116,767,442,342.59 - Step 5: Solve for x
x = 116,767,442,342.59/395,324.80 - Step 6: Final answer
x = 295,370.90
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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.