Finding the Fourth Proportional to 306,028.81, 422,292.87 and 170,054.14
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Solution
The fourth proportional to 306,028.81, 422,292.87 and 170,054.14 is: 234,659.77
Step by Step Solution
- Step 1: Write the proportion equation
306,028.81 : 422,292.87 = 170,054.14 : x - Step 2: Convert to fraction form
306,028.81/422,292.87 = 170,054.14/x - Step 3: Cross multiply
306,028.81x = 422,292.87 × 170,054.14 - Step 4: Simplify right side
306,028.81x = 71,812,650,835.98 - Step 5: Solve for x
x = 71,812,650,835.98/306,028.81 - Step 6: Final answer
x = 234,659.77
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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.