Finding the Fourth Proportional to 135,491.25, 203,236.87 and 56,562.42
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Solution
The fourth proportional to 135,491.25, 203,236.87 and 56,562.42 is: 84,843.63
Step by Step Solution
- Step 1: Write the proportion equation
135,491.25 : 203,236.87 = 56,562.42 : x - Step 2: Convert to fraction form
135,491.25/203,236.87 = 56,562.42/x - Step 3: Cross multiply
135,491.25x = 203,236.87 × 56,562.42 - Step 4: Simplify right side
135,491.25x = 11,495,569,200.43 - Step 5: Solve for x
x = 11,495,569,200.43/135,491.25 - Step 6: Final answer
x = 84,843.63
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1.5x scale
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.