Finding the Fourth Proportional to 494,370.18, 682,257.87 and 279,529.02
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Solution
The fourth proportional to 494,370.18, 682,257.87 and 279,529.02 is: 385,765.33
Step by Step Solution
- Step 1: Write the proportion equation
494,370.18 : 682,257.87 = 279,529.02 : x - Step 2: Convert to fraction form
494,370.18/682,257.87 = 279,529.02/x - Step 3: Cross multiply
494,370.18x = 682,257.87 × 279,529.02 - Step 4: Simplify right side
494,370.18x = 190,710,873,788.39 - Step 5: Solve for x
x = 190,710,873,788.39/494,370.18 - Step 6: Final answer
x = 385,765.33
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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.