Finding the Fourth Proportional to 202,217.70, 303,326.55 and 198,281.10
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Solution
The fourth proportional to 202,217.70, 303,326.55 and 198,281.10 is: 297,421.65
Step by Step Solution
- Step 1: Write the proportion equation
202,217.70 : 303,326.55 = 198,281.10 : x - Step 2: Convert to fraction form
202,217.70/303,326.55 = 198,281.10/x - Step 3: Cross multiply
202,217.70x = 303,326.55 × 198,281.10 - Step 4: Simplify right side
202,217.70x = 60,143,921,993.21 - Step 5: Solve for x
x = 60,143,921,993.21/202,217.70 - Step 6: Final answer
x = 297,421.65
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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.