Finding the Fourth Proportional to 291,147.26, 436,021.05 and 166,109.18
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Solution
The fourth proportional to 291,147.26, 436,021.05 and 166,109.18 is: 248,764.49
Step by Step Solution
- Step 1: Write the proportion equation
291,147.26 : 436,021.05 = 166,109.18 : x - Step 2: Convert to fraction form
291,147.26/436,021.05 = 166,109.18/x - Step 3: Cross multiply
291,147.26x = 436,021.05 × 166,109.18 - Step 4: Simplify right side
291,147.26x = 72,427,099,078.24 - Step 5: Solve for x
x = 72,427,099,078.24/291,147.26 - Step 6: Final answer
x = 248,764.49
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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.