Finding the Fourth Proportional to 326,350.91, 489,514.06 and 89,687.44
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Solution
The fourth proportional to 326,350.91, 489,514.06 and 89,687.44 is: 134,527.78
Step by Step Solution
- Step 1: Write the proportion equation
326,350.91 : 489,514.06 = 89,687.44 : x - Step 2: Convert to fraction form
326,350.91/489,514.06 = 89,687.44/x - Step 3: Cross multiply
326,350.91x = 489,514.06 × 89,687.44 - Step 4: Simplify right side
326,350.91x = 43,903,262,885.41 - Step 5: Solve for x
x = 43,903,262,885.41/326,350.91 - Step 6: Final answer
x = 134,527.78
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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.