Finding the Fourth Proportional to 266,525.24, 399,728.97 and 76,944.42
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Solution
The fourth proportional to 266,525.24, 399,728.97 and 76,944.42 is: 115,399.63
Step by Step Solution
- Step 1: Write the proportion equation
266,525.24 : 399,728.97 = 76,944.42 : x - Step 2: Convert to fraction form
266,525.24/399,728.97 = 76,944.42/x - Step 3: Cross multiply
266,525.24x = 399,728.97 × 76,944.42 - Step 4: Simplify right side
266,525.24x = 30,756,913,753.85 - Step 5: Solve for x
x = 30,756,913,753.85/266,525.24 - Step 6: Final answer
x = 115,399.63
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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.