Finding the Fourth Proportional to 291,201.44, 436,242.27 and 178,553.12
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Solution
The fourth proportional to 291,201.44, 436,242.27 and 178,553.12 is: 267,486.38
Step by Step Solution
- Step 1: Write the proportion equation
291,201.44 : 436,242.27 = 178,553.12 : x - Step 2: Convert to fraction form
291,201.44/436,242.27 = 178,553.12/x - Step 3: Cross multiply
291,201.44x = 436,242.27 × 178,553.12 - Step 4: Simplify right side
291,201.44x = 77,892,418,384.38 - Step 5: Solve for x
x = 77,892,418,384.38/291,201.44 - Step 6: Final answer
x = 267,486.38
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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.