Finding the Fourth Proportional to 243,815.70, 365,723.55 and 202,343.70
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Solution
The fourth proportional to 243,815.70, 365,723.55 and 202,343.70 is: 303,515.55
Step by Step Solution
- Step 1: Write the proportion equation
243,815.70 : 365,723.55 = 202,343.70 : x - Step 2: Convert to fraction form
243,815.70/365,723.55 = 202,343.70/x - Step 3: Cross multiply
243,815.70x = 365,723.55 × 202,343.70 - Step 4: Simplify right side
243,815.70x = 74,001,856,284.14 - Step 5: Solve for x
x = 74,001,856,284.14/243,815.70 - Step 6: Final answer
x = 303,515.55
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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.