Finding the Fourth Proportional to 291,491.20, 437,236.80 and 134,027.20
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Solution
The fourth proportional to 291,491.20, 437,236.80 and 134,027.20 is: 201,040.80
Step by Step Solution
- Step 1: Write the proportion equation
291,491.20 : 437,236.80 = 134,027.20 : x - Step 2: Convert to fraction form
291,491.20/437,236.80 = 134,027.20/x - Step 3: Cross multiply
291,491.20x = 437,236.80 × 134,027.20 - Step 4: Simplify right side
291,491.20x = 58,601,624,040.96 - Step 5: Solve for x
x = 58,601,624,040.96/291,491.20 - Step 6: Final answer
x = 201,040.80
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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.