Finding the Fourth Proportional to 306,104.46, 422,403.66 and 170,129.58
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Solution
The fourth proportional to 306,104.46, 422,403.66 and 170,129.58 is: 234,767.43
Step by Step Solution
- Step 1: Write the proportion equation
306,104.46 : 422,403.66 = 170,129.58 : x - Step 2: Convert to fraction form
306,104.46/422,403.66 = 170,129.58/x - Step 3: Cross multiply
306,104.46x = 422,403.66 × 170,129.58 - Step 4: Simplify right side
306,104.46x = 71,863,357,266.26 - Step 5: Solve for x
x = 71,863,357,266.26/306,104.46 - Step 6: Final answer
x = 234,767.43
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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.