Finding the Fourth Proportional to 326,258.53, 489,306.80 and 89,589.49
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Solution
The fourth proportional to 326,258.53, 489,306.80 and 89,589.49 is: 134,361.99
Step by Step Solution
- Step 1: Write the proportion equation
326,258.53 : 489,306.80 = 89,589.49 : x - Step 2: Convert to fraction form
326,258.53/489,306.80 = 89,589.49/x - Step 3: Cross multiply
326,258.53x = 489,306.80 × 89,589.49 - Step 4: Simplify right side
326,258.53x = 43,836,746,217.58 - Step 5: Solve for x
x = 43,836,746,217.58/326,258.53 - Step 6: Final answer
x = 134,361.99
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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.