Finding the Fourth Proportional to 201,359.76, 277,882.97 and 110,722.28
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Solution
The fourth proportional to 201,359.76, 277,882.97 and 110,722.28 is: 152,800.32
Step by Step Solution
- Step 1: Write the proportion equation
201,359.76 : 277,882.97 = 110,722.28 : x - Step 2: Convert to fraction form
201,359.76/277,882.97 = 110,722.28/x - Step 3: Cross multiply
201,359.76x = 277,882.97 × 110,722.28 - Step 4: Simplify right side
201,359.76x = 30,767,836,011.57 - Step 5: Solve for x
x = 30,767,836,011.57/201,359.76 - Step 6: Final answer
x = 152,800.32
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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.