Finding the Fourth Proportional to 136,129.90, 204,204.58 and 36,289.57
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Solution
The fourth proportional to 136,129.90, 204,204.58 and 36,289.57 is: 54,436.95
Step by Step Solution
- Step 1: Write the proportion equation
136,129.90 : 204,204.58 = 36,289.57 : x - Step 2: Convert to fraction form
136,129.90/204,204.58 = 36,289.57/x - Step 3: Cross multiply
136,129.90x = 204,204.58 × 36,289.57 - Step 4: Simplify right side
136,129.90x = 7,410,496,400.23 - Step 5: Solve for x
x = 7,410,496,400.23/136,129.90 - Step 6: Final answer
x = 54,436.95
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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.