Finding the Fourth Proportional to 394,444.80, 591,753.60 and 194,860.80
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Solution
The fourth proportional to 394,444.80, 591,753.60 and 194,860.80 is: 292,333.88
Step by Step Solution
- Step 1: Write the proportion equation
394,444.80 : 591,753.60 = 194,860.80 : x - Step 2: Convert to fraction form
394,444.80/591,753.60 = 194,860.80/x - Step 3: Cross multiply
394,444.80x = 591,753.60 × 194,860.80 - Step 4: Simplify right side
394,444.80x = 115,309,579,898.88 - Step 5: Solve for x
x = 115,309,579,898.88/394,444.80 - Step 6: Final answer
x = 292,333.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.