Finding the Fourth Proportional to 273,250.56, 409,893.12 and 86,269.44
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Solution
The fourth proportional to 273,250.56, 409,893.12 and 86,269.44 is: 129,409.62
Step by Step Solution
- Step 1: Write the proportion equation
273,250.56 : 409,893.12 = 86,269.44 : x - Step 2: Convert to fraction form
273,250.56/409,893.12 = 86,269.44/x - Step 3: Cross multiply
273,250.56x = 409,893.12 × 86,269.44 - Step 4: Simplify right side
273,250.56x = 35,361,249,922.25 - Step 5: Solve for x
x = 35,361,249,922.25/273,250.56 - Step 6: Final answer
x = 129,409.62
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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.