Finding the Fourth Proportional to 306,383.21, 422,795.19 and 177,301.01
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Solution
The fourth proportional to 306,383.21, 422,795.19 and 177,301.01 is: 244,667.50
Step by Step Solution
- Step 1: Write the proportion equation
306,383.21 : 422,795.19 = 177,301.01 : x - Step 2: Convert to fraction form
306,383.21/422,795.19 = 177,301.01/x - Step 3: Cross multiply
306,383.21x = 422,795.19 × 177,301.01 - Step 4: Simplify right side
306,383.21x = 74,962,014,210.14 - Step 5: Solve for x
x = 74,962,014,210.14/306,383.21 - Step 6: Final answer
x = 244,667.50
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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.