Finding the Fourth Proportional to 366,918.10, 550,474.35 and 130,236.10
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Solution
The fourth proportional to 366,918.10, 550,474.35 and 130,236.10 is: 195,388.65
Step by Step Solution
- Step 1: Write the proportion equation
366,918.10 : 550,474.35 = 130,236.10 : x - Step 2: Convert to fraction form
366,918.10/550,474.35 = 130,236.10/x - Step 3: Cross multiply
366,918.10x = 550,474.35 × 130,236.10 - Step 4: Simplify right side
366,918.10x = 71,691,632,494.04 - Step 5: Solve for x
x = 71,691,632,494.04/366,918.10 - Step 6: Final answer
x = 195,388.65
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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.