Finding the Fourth Proportional to 291,890.09, 436,982.13 and 263,874.62
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Solution
The fourth proportional to 291,890.09, 436,982.13 and 263,874.62 is: 395,040.80
Step by Step Solution
- Step 1: Write the proportion equation
291,890.09 : 436,982.13 = 263,874.62 : x - Step 2: Convert to fraction form
291,890.09/436,982.13 = 263,874.62/x - Step 3: Cross multiply
291,890.09x = 436,982.13 × 263,874.62 - Step 4: Simplify right side
291,890.09x = 115,308,491,315.63 - Step 5: Solve for x
x = 115,308,491,315.63/291,890.09 - Step 6: Final answer
x = 395,040.80
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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.