Finding the Fourth Proportional to 298,589.70, 447,884.55 and 132,377.70
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Solution
The fourth proportional to 298,589.70, 447,884.55 and 132,377.70 is: 198,566.55
Step by Step Solution
- Step 1: Write the proportion equation
298,589.70 : 447,884.55 = 132,377.70 : x - Step 2: Convert to fraction form
298,589.70/447,884.55 = 132,377.70/x - Step 3: Cross multiply
298,589.70x = 447,884.55 × 132,377.70 - Step 4: Simplify right side
298,589.70x = 59,289,926,594.54 - Step 5: Solve for x
x = 59,289,926,594.54/298,589.70 - Step 6: Final answer
x = 198,566.55
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1.5x scale
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.