Finding the Fourth Proportional to 264,687.75, 365,269.10 and 145,455.75
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Solution
The fourth proportional to 264,687.75, 365,269.10 and 145,455.75 is: 200,728.94
Step by Step Solution
- Step 1: Write the proportion equation
264,687.75 : 365,269.10 = 145,455.75 : x - Step 2: Convert to fraction form
264,687.75/365,269.10 = 145,455.75/x - Step 3: Cross multiply
264,687.75x = 365,269.10 × 145,455.75 - Step 4: Simplify right side
264,687.75x = 53,130,490,165.05 - Step 5: Solve for x
x = 53,130,490,165.05/264,687.75 - Step 6: Final answer
x = 200,728.94
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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.