Finding the Fourth Proportional to 231,839.30, 347,245.14 and 178,135.99
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Solution
The fourth proportional to 231,839.30, 347,245.14 and 178,135.99 is: 266,809.20
Step by Step Solution
- Step 1: Write the proportion equation
231,839.30 : 347,245.14 = 178,135.99 : x - Step 2: Convert to fraction form
231,839.30/347,245.14 = 178,135.99/x - Step 3: Cross multiply
231,839.30x = 347,245.14 × 178,135.99 - Step 4: Simplify right side
231,839.30x = 61,856,855,918.48 - Step 5: Solve for x
x = 61,856,855,918.48/231,839.30 - Step 6: Final answer
x = 266,809.20
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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.