Finding the Fourth Proportional to 209,266.70, 313,900.05 and 201,101.90
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Solution
The fourth proportional to 209,266.70, 313,900.05 and 201,101.90 is: 301,652.85
Step by Step Solution
- Step 1: Write the proportion equation
209,266.70 : 313,900.05 = 201,101.90 : x - Step 2: Convert to fraction form
209,266.70/313,900.05 = 201,101.90/x - Step 3: Cross multiply
209,266.70x = 313,900.05 × 201,101.90 - Step 4: Simplify right side
209,266.70x = 63,125,896,465.10 - Step 5: Solve for x
x = 63,125,896,465.10/209,266.70 - Step 6: Final answer
x = 301,652.85
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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.