Finding the Fourth Proportional to 146,278.44, 201,743.46 and 98,512.20
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Solution
The fourth proportional to 146,278.44, 201,743.46 and 98,512.20 is: 135,865.49
Step by Step Solution
- Step 1: Write the proportion equation
146,278.44 : 201,743.46 = 98,512.20 : x - Step 2: Convert to fraction form
146,278.44/201,743.46 = 98,512.20/x - Step 3: Cross multiply
146,278.44x = 201,743.46 × 98,512.20 - Step 4: Simplify right side
146,278.44x = 19,874,192,080.21 - Step 5: Solve for x
x = 19,874,192,080.21/146,278.44 - Step 6: Final answer
x = 135,865.49
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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.