Finding the Fourth Proportional to 203,929.92, 305,799.75 and 77,593.68
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Solution
The fourth proportional to 203,929.92, 305,799.75 and 77,593.68 is: 116,354.32
Step by Step Solution
- Step 1: Write the proportion equation
203,929.92 : 305,799.75 = 77,593.68 : x - Step 2: Convert to fraction form
203,929.92/305,799.75 = 77,593.68/x - Step 3: Cross multiply
203,929.92x = 305,799.75 × 77,593.68 - Step 4: Simplify right side
203,929.92x = 23,728,127,945.58 - Step 5: Solve for x
x = 23,728,127,945.58/203,929.92 - Step 6: Final answer
x = 116,354.32
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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.