Finding the Fourth Proportional to 291,821.22, 437,778.69 and 123,343.26
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Solution
The fourth proportional to 291,821.22, 437,778.69 and 123,343.26 is: 185,034.70
Step by Step Solution
- Step 1: Write the proportion equation
291,821.22 : 437,778.69 = 123,343.26 : x - Step 2: Convert to fraction form
291,821.22/437,778.69 = 123,343.26/x - Step 3: Cross multiply
291,821.22x = 437,778.69 × 123,343.26 - Step 4: Simplify right side
291,821.22x = 53,997,050,783.13 - Step 5: Solve for x
x = 53,997,050,783.13/291,821.22 - Step 6: Final answer
x = 185,034.70
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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.