Finding the Fourth Proportional to 869,882.21, 1,305,010.99 and 262,620.12
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Solution
The fourth proportional to 869,882.21, 1,305,010.99 and 262,620.12 is: 393,986.83
Step by Step Solution
- Step 1: Write the proportion equation
869,882.21 : 1,305,010.99 = 262,620.12 : x - Step 2: Convert to fraction form
869,882.21/1,305,010.99 = 262,620.12/x - Step 3: Cross multiply
869,882.21x = 1,305,010.99 × 262,620.12 - Step 4: Simplify right side
869,882.21x = 342,722,136,926.61 - Step 5: Solve for x
x = 342,722,136,926.61/869,882.21 - Step 6: Final answer
x = 393,986.83
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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.