Finding the Fourth Proportional to 300,648.05, 414,893.80 and 164,687.75
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Solution
The fourth proportional to 300,648.05, 414,893.80 and 164,687.75 is: 227,268.82
Step by Step Solution
- Step 1: Write the proportion equation
300,648.05 : 414,893.80 = 164,687.75 : x - Step 2: Convert to fraction form
300,648.05/414,893.80 = 164,687.75/x - Step 3: Cross multiply
300,648.05x = 414,893.80 × 164,687.75 - Step 4: Simplify right side
300,648.05x = 68,327,926,410.95 - Step 5: Solve for x
x = 68,327,926,410.95/300,648.05 - Step 6: Final answer
x = 227,268.82
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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.