Finding the Fourth Proportional to 264,780.43, 365,399.42 and 143,921.99
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Solution
The fourth proportional to 264,780.43, 365,399.42 and 143,921.99 is: 198,613.67
Step by Step Solution
- Step 1: Write the proportion equation
264,780.43 : 365,399.42 = 143,921.99 : x - Step 2: Convert to fraction form
264,780.43/365,399.42 = 143,921.99/x - Step 3: Cross multiply
264,780.43x = 365,399.42 × 143,921.99 - Step 4: Simplify right side
264,780.43x = 52,589,011,865.13 - Step 5: Solve for x
x = 52,589,011,865.13/264,780.43 - Step 6: Final answer
x = 198,613.67
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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.