Finding the Fourth Proportional to 275,183.08, 412,776.06 and 125,318.86
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Solution
The fourth proportional to 275,183.08, 412,776.06 and 125,318.86 is: 187,978.95
Step by Step Solution
- Step 1: Write the proportion equation
275,183.08 : 412,776.06 = 125,318.86 : x - Step 2: Convert to fraction form
275,183.08/412,776.06 = 125,318.86/x - Step 3: Cross multiply
275,183.08x = 412,776.06 × 125,318.86 - Step 4: Simplify right side
275,183.08x = 51,728,625,274.49 - Step 5: Solve for x
x = 51,728,625,274.49/275,183.08 - Step 6: Final answer
x = 187,978.95
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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.