Finding the Fourth Proportional to 220,511.70, 330,767.55 and 201,849.30
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Solution
The fourth proportional to 220,511.70, 330,767.55 and 201,849.30 is: 302,773.95
Step by Step Solution
- Step 1: Write the proportion equation
220,511.70 : 330,767.55 = 201,849.30 : x - Step 2: Convert to fraction form
220,511.70/330,767.55 = 201,849.30/x - Step 3: Cross multiply
220,511.70x = 330,767.55 × 201,849.30 - Step 4: Simplify right side
220,511.70x = 66,765,198,430.22 - Step 5: Solve for x
x = 66,765,198,430.22/220,511.70 - Step 6: Final answer
x = 302,773.95
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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.