Finding the Fourth Proportional to 394,579.12, 591,499.20 and 192,130.96
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Solution
The fourth proportional to 394,579.12, 591,499.20 and 192,130.96 is: 288,016.53
Step by Step Solution
- Step 1: Write the proportion equation
394,579.12 : 591,499.20 = 192,130.96 : x - Step 2: Convert to fraction form
394,579.12/591,499.20 = 192,130.96/x - Step 3: Cross multiply
394,579.12x = 591,499.20 × 192,130.96 - Step 4: Simplify right side
394,579.12x = 113,645,309,135.23 - Step 5: Solve for x
x = 113,645,309,135.23/394,579.12 - Step 6: Final answer
x = 288,016.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.