Finding the Fourth Proportional to 303,638.85, 455,463.14 and 135,119.97
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Solution
The fourth proportional to 303,638.85, 455,463.14 and 135,119.97 is: 202,682.12
Step by Step Solution
- Step 1: Write the proportion equation
303,638.85 : 455,463.14 = 135,119.97 : x - Step 2: Convert to fraction form
303,638.85/455,463.14 = 135,119.97/x - Step 3: Cross multiply
303,638.85x = 455,463.14 × 135,119.97 - Step 4: Simplify right side
303,638.85x = 61,542,165,137.31 - Step 5: Solve for x
x = 61,542,165,137.31/303,638.85 - Step 6: Final answer
x = 202,682.12
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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.