Finding the Fourth Proportional to 274,809.09, 412,116.44 and 130,697.94
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Solution
The fourth proportional to 274,809.09, 412,116.44 and 130,697.94 is: 196,000.68
Step by Step Solution
- Step 1: Write the proportion equation
274,809.09 : 412,116.44 = 130,697.94 : x - Step 2: Convert to fraction form
274,809.09/412,116.44 = 130,697.94/x - Step 3: Cross multiply
274,809.09x = 412,116.44 × 130,697.94 - Step 4: Simplify right side
274,809.09x = 53,862,769,094.64 - Step 5: Solve for x
x = 53,862,769,094.64/274,809.09 - Step 6: Final answer
x = 196,000.68
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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.