Finding the Fourth Proportional to 306,028.30, 422,292.19 and 170,053.63
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Solution
The fourth proportional to 306,028.30, 422,292.19 and 170,053.63 is: 234,659.08
Step by Step Solution
- Step 1: Write the proportion equation
306,028.30 : 422,292.19 = 170,053.63 : x - Step 2: Convert to fraction form
306,028.30/422,292.19 = 170,053.63/x - Step 3: Cross multiply
306,028.30x = 422,292.19 × 170,053.63 - Step 4: Simplify right side
306,028.30x = 71,812,318,979.88 - Step 5: Solve for x
x = 71,812,318,979.88/306,028.30 - Step 6: Final answer
x = 234,659.08
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1.5x scale
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.