Finding the Fourth Proportional to 156,738.36, 235,107.56 and 38,408.68
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Solution
The fourth proportional to 156,738.36, 235,107.56 and 38,408.68 is: 57,613.02
Step by Step Solution
- Step 1: Write the proportion equation
156,738.36 : 235,107.56 = 38,408.68 : x - Step 2: Convert to fraction form
156,738.36/235,107.56 = 38,408.68/x - Step 3: Cross multiply
156,738.36x = 235,107.56 × 38,408.68 - Step 4: Simplify right side
156,738.36x = 9,030,171,037.62 - Step 5: Solve for x
x = 9,030,171,037.62/156,738.36 - Step 6: Final answer
x = 57,613.02
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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.