Finding the Fourth Proportional to 201,747.92, 278,412.97 and 115,710.23
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Solution
The fourth proportional to 201,747.92, 278,412.97 and 115,710.23 is: 159,680.60
Step by Step Solution
- Step 1: Write the proportion equation
201,747.92 : 278,412.97 = 115,710.23 : x - Step 2: Convert to fraction form
201,747.92/278,412.97 = 115,710.23/x - Step 3: Cross multiply
201,747.92x = 278,412.97 × 115,710.23 - Step 4: Simplify right side
201,747.92x = 32,215,228,793.68 - Step 5: Solve for x
x = 32,215,228,793.68/201,747.92 - Step 6: Final answer
x = 159,680.60
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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.