Finding the Fourth Proportional to 412,202.53, 618,362.49 and 127,917.65
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Solution
The fourth proportional to 412,202.53, 618,362.49 and 127,917.65 is: 191,894.69
Step by Step Solution
- Step 1: Write the proportion equation
412,202.53 : 618,362.49 = 127,917.65 : x - Step 2: Convert to fraction form
412,202.53/618,362.49 = 127,917.65/x - Step 3: Cross multiply
412,202.53x = 618,362.49 × 127,917.65 - Step 4: Simplify right side
412,202.53x = 79,099,476,568.95 - Step 5: Solve for x
x = 79,099,476,568.95/412,202.53 - Step 6: Final answer
x = 191,894.69
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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.