Finding the Fourth Proportional to 306,239.14, 422,602.14 and 170,266.06
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Solution
The fourth proportional to 306,239.14, 422,602.14 and 170,266.06 is: 234,962.79
Step by Step Solution
- Step 1: Write the proportion equation
306,239.14 : 422,602.14 = 170,266.06 : x - Step 2: Convert to fraction form
306,239.14/422,602.14 = 170,266.06/x - Step 3: Cross multiply
306,239.14x = 422,602.14 × 170,266.06 - Step 4: Simplify right side
306,239.14x = 71,954,801,325.37 - Step 5: Solve for x
x = 71,954,801,325.37/306,239.14 - Step 6: Final answer
x = 234,962.79
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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.