Finding the Fourth Proportional to 226,643.70, 339,965.55 and 202,149.30
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Solution
The fourth proportional to 226,643.70, 339,965.55 and 202,149.30 is: 303,223.95
Step by Step Solution
- Step 1: Write the proportion equation
226,643.70 : 339,965.55 = 202,149.30 : x - Step 2: Convert to fraction form
226,643.70/339,965.55 = 202,149.30/x - Step 3: Cross multiply
226,643.70x = 339,965.55 × 202,149.30 - Step 4: Simplify right side
226,643.70x = 68,723,797,956.62 - Step 5: Solve for x
x = 68,723,797,956.62/226,643.70 - Step 6: Final answer
x = 303,223.95
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1.5x scale
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.