Finding the Fourth Proportional to 195,181.68, 269,351.28 and 105,757.68
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Solution
The fourth proportional to 195,181.68, 269,351.28 and 105,757.68 is: 145,945.90
Step by Step Solution
- Step 1: Write the proportion equation
195,181.68 : 269,351.28 = 105,757.68 : x - Step 2: Convert to fraction form
195,181.68/269,351.28 = 105,757.68/x - Step 3: Cross multiply
195,181.68x = 269,351.28 × 105,757.68 - Step 4: Simplify right side
195,181.68x = 28,485,966,477.83 - Step 5: Solve for x
x = 28,485,966,477.83/195,181.68 - Step 6: Final answer
x = 145,945.90
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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.