Finding the Fourth Proportional to 156,747.09, 235,129.53 and 50,140.41
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Solution
The fourth proportional to 156,747.09, 235,129.53 and 50,140.41 is: 75,213.46
Step by Step Solution
- Step 1: Write the proportion equation
156,747.09 : 235,129.53 = 50,140.41 : x - Step 2: Convert to fraction form
156,747.09/235,129.53 = 50,140.41/x - Step 3: Cross multiply
156,747.09x = 235,129.53 × 50,140.41 - Step 4: Simplify right side
156,747.09x = 11,789,491,037.31 - Step 5: Solve for x
x = 11,789,491,037.31/156,747.09 - Step 6: Final answer
x = 75,213.46
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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.