Finding the Fourth Proportional to 242,523.80, 363,785.70 and 207,531.80
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Solution
The fourth proportional to 242,523.80, 363,785.70 and 207,531.80 is: 311,297.70
Step by Step Solution
- Step 1: Write the proportion equation
242,523.80 : 363,785.70 = 207,531.80 : x - Step 2: Convert to fraction form
242,523.80/363,785.70 = 207,531.80/x - Step 3: Cross multiply
242,523.80x = 363,785.70 × 207,531.80 - Step 4: Simplify right side
242,523.80x = 75,497,101,135.26 - Step 5: Solve for x
x = 75,497,101,135.26/242,523.80 - Step 6: Final answer
x = 311,297.70
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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.