Finding the Fourth Proportional to 211,545.90, 317,318.85 and 202,214.70
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Solution
The fourth proportional to 211,545.90, 317,318.85 and 202,214.70 is: 303,322.05
Step by Step Solution
- Step 1: Write the proportion equation
211,545.90 : 317,318.85 = 202,214.70 : x - Step 2: Convert to fraction form
211,545.90/317,318.85 = 202,214.70/x - Step 3: Cross multiply
211,545.90x = 317,318.85 × 202,214.70 - Step 4: Simplify right side
211,545.90x = 64,166,536,057.10 - Step 5: Solve for x
x = 64,166,536,057.10/211,545.90 - Step 6: Final answer
x = 303,322.05
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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.