Finding the Fourth Proportional to 209,446.92, 314,170.36 and 97,112.34
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Solution
The fourth proportional to 209,446.92, 314,170.36 and 97,112.34 is: 145,668.50
Step by Step Solution
- Step 1: Write the proportion equation
209,446.92 : 314,170.36 = 97,112.34 : x - Step 2: Convert to fraction form
209,446.92/314,170.36 = 97,112.34/x - Step 3: Cross multiply
209,446.92x = 314,170.36 × 97,112.34 - Step 4: Simplify right side
209,446.92x = 30,509,818,818.24 - Step 5: Solve for x
x = 30,509,818,818.24/209,446.92 - Step 6: Final answer
x = 145,668.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.