Finding the Fourth Proportional to 236,037.85, 353,636.99 and 135,991.34
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Solution
The fourth proportional to 236,037.85, 353,636.99 and 135,991.34 is: 203,745.15
Step by Step Solution
- Step 1: Write the proportion equation
236,037.85 : 353,636.99 = 135,991.34 : x - Step 2: Convert to fraction form
236,037.85/353,636.99 = 135,991.34/x - Step 3: Cross multiply
236,037.85x = 353,636.99 × 135,991.34 - Step 4: Simplify right side
236,037.85x = 48,091,567,531.63 - Step 5: Solve for x
x = 48,091,567,531.63/236,037.85 - Step 6: Final answer
x = 203,745.15
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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.