Finding the Fourth Proportional to 112,819.36, 169,233.36 and 33,944.80
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Solution
The fourth proportional to 112,819.36, 169,233.36 and 33,944.80 is: 50,918.50
Step by Step Solution
- Step 1: Write the proportion equation
112,819.36 : 169,233.36 = 33,944.80 : x - Step 2: Convert to fraction form
112,819.36/169,233.36 = 33,944.80/x - Step 3: Cross multiply
112,819.36x = 169,233.36 × 33,944.80 - Step 4: Simplify right side
112,819.36x = 5,744,592,558.53 - Step 5: Solve for x
x = 5,744,592,558.53/112,819.36 - Step 6: Final answer
x = 50,918.50
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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.