Finding the Fourth Proportional to 291,969.91, 437,916.99 and 92,310.44
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Solution
The fourth proportional to 291,969.91, 437,916.99 and 92,310.44 is: 138,453.69
Step by Step Solution
- Step 1: Write the proportion equation
291,969.91 : 437,916.99 = 92,310.44 : x - Step 2: Convert to fraction form
291,969.91/437,916.99 = 92,310.44/x - Step 3: Cross multiply
291,969.91x = 437,916.99 × 92,310.44 - Step 4: Simplify right side
291,969.91x = 40,424,310,030.38 - Step 5: Solve for x
x = 40,424,310,030.38/291,969.91 - Step 6: Final answer
x = 138,453.69
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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.