Finding the Fourth Proportional to 187,770.28, 259,133.37 and 107,223.70
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Solution
The fourth proportional to 187,770.28, 259,133.37 and 107,223.70 is: 147,974.64
Step by Step Solution
- Step 1: Write the proportion equation
187,770.28 : 259,133.37 = 107,223.70 : x - Step 2: Convert to fraction form
187,770.28/259,133.37 = 107,223.70/x - Step 3: Cross multiply
187,770.28x = 259,133.37 × 107,223.70 - Step 4: Simplify right side
187,770.28x = 27,785,238,724.87 - Step 5: Solve for x
x = 27,785,238,724.87/187,770.28 - Step 6: Final answer
x = 147,974.64
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1.5x scale
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.