Finding the Fourth Proportional to 297,834.72, 411,011.91 and 161,868.99
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Solution
The fourth proportional to 297,834.72, 411,011.91 and 161,868.99 is: 223,379.20
Step by Step Solution
- Step 1: Write the proportion equation
297,834.72 : 411,011.91 = 161,868.99 : x - Step 2: Convert to fraction form
297,834.72/411,011.91 = 161,868.99/x - Step 3: Cross multiply
297,834.72x = 411,011.91 × 161,868.99 - Step 4: Simplify right side
297,834.72x = 66,530,082,749.67 - Step 5: Solve for x
x = 66,530,082,749.67/297,834.72 - Step 6: Final answer
x = 223,379.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.