Finding the Fourth Proportional to 187,771.28, 259,134.75 and 107,224.70
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Solution
The fourth proportional to 187,771.28, 259,134.75 and 107,224.70 is: 147,976.02
Step by Step Solution
- Step 1: Write the proportion equation
187,771.28 : 259,134.75 = 107,224.70 : x - Step 2: Convert to fraction form
187,771.28/259,134.75 = 107,224.70/x - Step 3: Cross multiply
187,771.28x = 259,134.75 × 107,224.70 - Step 4: Simplify right side
187,771.28x = 27,785,645,828.33 - Step 5: Solve for x
x = 27,785,645,828.33/187,771.28 - Step 6: Final answer
x = 147,976.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.