Finding the Fourth Proportional to 162,905.92, 224,819.49 and 91,309.08
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Solution
The fourth proportional to 162,905.92, 224,819.49 and 91,309.08 is: 126,011.75
Step by Step Solution
- Step 1: Write the proportion equation
162,905.92 : 224,819.49 = 91,309.08 : x - Step 2: Convert to fraction form
162,905.92/224,819.49 = 91,309.08/x - Step 3: Cross multiply
162,905.92x = 224,819.49 × 91,309.08 - Step 4: Simplify right side
162,905.92x = 20,528,060,797.97 - Step 5: Solve for x
x = 20,528,060,797.97/162,905.92 - Step 6: Final answer
x = 126,011.75
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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.