Finding the Fourth Proportional to 195,090.82, 292,659.65 and 68,704.92
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Solution
The fourth proportional to 195,090.82, 292,659.65 and 68,704.92 is: 103,065.63
Step by Step Solution
- Step 1: Write the proportion equation
195,090.82 : 292,659.65 = 68,704.92 : x - Step 2: Convert to fraction form
195,090.82/292,659.65 = 68,704.92/x - Step 3: Cross multiply
195,090.82x = 292,659.65 × 68,704.92 - Step 4: Simplify right side
195,090.82x = 20,107,158,012.24 - Step 5: Solve for x
x = 20,107,158,012.24/195,090.82 - Step 6: Final answer
x = 103,065.63
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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.