Finding the Fourth Proportional to 291,896.10, 436,991.13 and 263,880.63
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Solution
The fourth proportional to 291,896.10, 436,991.13 and 263,880.63 is: 395,049.80
Step by Step Solution
- Step 1: Write the proportion equation
291,896.10 : 436,991.13 = 263,880.63 : x - Step 2: Convert to fraction form
291,896.10/436,991.13 = 263,880.63/x - Step 3: Cross multiply
291,896.10x = 436,991.13 × 263,880.63 - Step 4: Simplify right side
291,896.10x = 115,313,494,688.81 - Step 5: Solve for x
x = 115,313,494,688.81/291,896.10 - Step 6: Final answer
x = 395,049.80
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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.