Finding the Fourth Proportional to 306,177.24, 422,539.01 and 170,213.46
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Solution
The fourth proportional to 306,177.24, 422,539.01 and 170,213.46 is: 234,902.59
Step by Step Solution
- Step 1: Write the proportion equation
306,177.24 : 422,539.01 = 170,213.46 : x - Step 2: Convert to fraction form
306,177.24/422,539.01 = 170,213.46/x - Step 3: Cross multiply
306,177.24x = 422,539.01 × 170,213.46 - Step 4: Simplify right side
306,177.24x = 71,921,825,718.09 - Step 5: Solve for x
x = 71,921,825,718.09/306,177.24 - Step 6: Final answer
x = 234,902.59
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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.